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Oprm1 opioid receptor, mu 1 [ Rattus norvegicus (Norway rat) ]

Gene ID: 25601, updated on 26-Apr-2024

Summary

Official Symbol
Oprm1provided by RGD
Official Full Name
opioid receptor, mu 1provided by RGD
Primary source
RGD:3234
See related
Ensembl:ENSRNOG00000018191 AllianceGenome:RGD:3234
Gene type
protein coding
RefSeq status
VALIDATED
Organism
Rattus norvegicus
Lineage
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; Murinae; Rattus
Also known as
MORA; Oprm; Oprrm1
Summary
Enables several functions, including G-protein beta-subunit binding activity; filamin binding activity; and morphine receptor activity. Involved in several processes, including G protein-coupled receptor signaling pathway; regulation of signal transduction; and response to alkaloid. Located in several cellular components, including dendrite; focal adhesion; and perikaryon. Is active in spine apparatus. Is integral component of postsynaptic membrane and integral component of presynaptic membrane. Colocalizes with sarcolemma. Biomarker of brain ischemia and human immunodeficiency virus infectious disease. Orthologous to human OPRM1 (opioid receptor mu 1). [provided by Alliance of Genome Resources, Apr 2022]
Expression
Biased expression in Brain (RPKM 21.8), Thymus (RPKM 3.4) and 3 other tissues See more
Orthologs
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Genomic context

Location:
1q11
Exon count:
11
Annotation release Status Assembly Chr Location
RS_2024_02 current GRCr8 (GCF_036323735.1) 1 NC_086019.1 (45565371..45818722)
RS_2023_06 previous assembly mRatBN7.2 (GCF_015227675.2) 1 NC_051336.1 (43160057..43413409)
106 previous assembly Rnor_6.0 (GCF_000001895.5) 1 NC_005100.4 (43454803..43704948)

Chromosome 1 - NC_086019.1Genomic Context describing neighboring genes Neighboring gene U2 spliceosomal RNA Neighboring gene uncharacterized LOC120097708 Neighboring gene interaction protein for cytohesin exchange factors 1 Neighboring gene uncharacterized LOC134484992 Neighboring gene YES proto-oncogene 1, Src family tyrosine kinase Neighboring gene LIM zinc finger domain containing 1, pseudogene 1 Neighboring gene uncharacterized LOC120099109 Neighboring gene Cnksr family member 3

Genomic regions, transcripts, and products

Expression

  • Project title: A rat RNA-Seq transcriptomic BodyMap across 11 organs and 4 developmental stages
  • Description: 320 RNA samples isolated from 11 organs (adrenal gland, brain, heart, kidney, liver, lung, muscle, spleen, thymus, and testes or uterus) from both sexes of Fischer 344 rats across four developmental stages (2-, 6-, 21-, and 104-weeks-old)
  • BioProject: PRJNA238328
  • Publication: PMID 24510058
  • Analysis date: Mon Jun 6 17:44:12 2016

Bibliography

GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Pathways from PubChem

Interactions

Products Interactant Other Gene Complex Source Pubs Description

General gene information

Markers

Gene Ontology Provided by RGD

Function Evidence Code Pubs
enables G protein-coupled opioid receptor activity ISO
Inferred from Sequence Orthology
more info
 
enables G protein-coupled receptor activity IDA
Inferred from Direct Assay
more info
PubMed 
enables G protein-coupled receptor activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
enables G-protein alpha-subunit binding IBA
Inferred from Biological aspect of Ancestor
more info
 
enables G-protein alpha-subunit binding IEA
Inferred from Electronic Annotation
more info
 
enables G-protein alpha-subunit binding ISO
Inferred from Sequence Orthology
more info
 
enables G-protein alpha-subunit binding ISS
Inferred from Sequence or Structural Similarity
more info
 
enables G-protein beta-subunit binding IBA
Inferred from Biological aspect of Ancestor
more info
 
enables G-protein beta-subunit binding IPI
Inferred from Physical Interaction
more info
PubMed 
enables beta-endorphin receptor activity IBA
Inferred from Biological aspect of Ancestor
more info
 
enables beta-endorphin receptor activity IEA
Inferred from Electronic Annotation
more info
 
enables beta-endorphin receptor activity ISO
Inferred from Sequence Orthology
more info
 
enables morphine receptor activity IBA
Inferred from Biological aspect of Ancestor
more info
 
enables morphine receptor activity IDA
Inferred from Direct Assay
more info
PubMed 
enables morphine receptor activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
enables neuropeptide binding IBA
Inferred from Biological aspect of Ancestor
more info
 
enables protein binding IPI
Inferred from Physical Interaction
more info
PubMed 
enables protein domain specific binding IPI
Inferred from Physical Interaction
more info
PubMed 
enables voltage-gated calcium channel activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
Process Evidence Code Pubs
involved_in G protein-coupled opioid receptor signaling pathway IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in G protein-coupled opioid receptor signaling pathway IEA
Inferred from Electronic Annotation
more info
 
involved_in G protein-coupled opioid receptor signaling pathway ISO
Inferred from Sequence Orthology
more info
 
involved_in G protein-coupled receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
involved_in acute inflammatory response to antigenic stimulus IEP
Inferred from Expression Pattern
more info
PubMed 
acts_upstream_of_or_within adenylate cyclase-activating dopamine receptor signaling pathway ISO
Inferred from Sequence Orthology
more info
 
involved_in adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
involved_in adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
acts_upstream_of_or_within adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway ISO
Inferred from Sequence Orthology
more info
 
involved_in adenylate cyclase-inhibiting opioid receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
involved_in behavioral response to ethanol IEA
Inferred from Electronic Annotation
more info
 
involved_in behavioral response to ethanol ISO
Inferred from Sequence Orthology
more info
 
involved_in calcium ion transmembrane transport IEA
Inferred from Electronic Annotation
more info
 
involved_in cellular response to morphine IEA
Inferred from Electronic Annotation
more info
 
involved_in eating behavior IMP
Inferred from Mutant Phenotype
more info
PubMed 
involved_in estrous cycle IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in excitatory postsynaptic potential IDA
Inferred from Direct Assay
more info
PubMed 
involved_in immune response TAS
Traceable Author Statement
more info
PubMed 
acts_upstream_of_or_within locomotory behavior ISO
Inferred from Sequence Orthology
more info
 
involved_in negative regulation of Wnt protein secretion IEA
Inferred from Electronic Annotation
more info
 
involved_in negative regulation of Wnt protein secretion ISO
Inferred from Sequence Orthology
more info
 
involved_in negative regulation of Wnt protein secretion ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in negative regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
involved_in negative regulation of cAMP-mediated signaling ISO
Inferred from Sequence Orthology
more info
 
involved_in negative regulation of cAMP-mediated signaling ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in negative regulation of cytosolic calcium ion concentration ISO
Inferred from Sequence Orthology
more info
 
involved_in negative regulation of cytosolic calcium ion concentration ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in negative regulation of luteinizing hormone secretion IMP
Inferred from Mutant Phenotype
more info
PubMed 
involved_in negative regulation of nitric oxide biosynthetic process ISO
Inferred from Sequence Orthology
more info
 
involved_in negative regulation of nitric oxide biosynthetic process ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in neuropeptide signaling pathway IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in neuropeptide signaling pathway IEA
Inferred from Electronic Annotation
more info
 
involved_in phospholipase C-activating G protein-coupled receptor signaling pathway IDA
Inferred from Direct Assay
more info
PubMed 
involved_in positive regulation of ERK1 and ERK2 cascade IDA
Inferred from Direct Assay
more info
PubMed 
involved_in positive regulation of appetite IMP
Inferred from Mutant Phenotype
more info
PubMed 
involved_in positive regulation of cAMP-mediated signaling ISO
Inferred from Sequence Orthology
more info
 
involved_in positive regulation of cytosolic calcium ion concentration ISO
Inferred from Sequence Orthology
more info
 
involved_in positive regulation of gluconeogenesis IMP
Inferred from Mutant Phenotype
more info
PubMed 
involved_in positive regulation of neurogenesis ISO
Inferred from Sequence Orthology
more info
 
involved_in positive regulation of neurogenesis ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in positive regulation of nitric oxide biosynthetic process ISO
Inferred from Sequence Orthology
more info
 
involved_in presynaptic modulation of chemical synaptic transmission ISO
Inferred from Sequence Orthology
more info
 
involved_in regulation of cellular response to stress IEA
Inferred from Electronic Annotation
more info
 
involved_in regulation of cellular response to stress ISO
Inferred from Sequence Orthology
more info
 
involved_in response to cocaine IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in response to ethanol IDA
Inferred from Direct Assay
more info
PubMed 
involved_in response to ethanol IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in response to food IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in response to growth factor IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in response to lipopolysaccharide IEP
Inferred from Expression Pattern
more info
PubMed 
involved_in sensory perception of pain IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in sensory perception of pain ISO
Inferred from Sequence Orthology
more info
 
involved_in sensory perception of pain ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in social behavior IMP
Inferred from Mutant Phenotype
more info
PubMed 
involved_in sperm ejaculation IDA
Inferred from Direct Assay
more info
PubMed 
involved_in transmission of nerve impulse ISO
Inferred from Sequence Orthology
more info
 
Component Evidence Code Pubs
is_active_in GABA-ergic synapse ISO
Inferred from Sequence Orthology
more info
 
located_in T-tubule IDA
Inferred from Direct Assay
more info
PubMed 
located_in axon IEA
Inferred from Electronic Annotation
more info
 
located_in axon ISS
Inferred from Sequence or Structural Similarity
more info
 
located_in dendrite IDA
Inferred from Direct Assay
more info
PubMed 
located_in dendrite IEA
Inferred from Electronic Annotation
more info
 
located_in dendrite cytoplasm IDA
Inferred from Direct Assay
more info
PubMed 
located_in dendrite membrane IDA
Inferred from Direct Assay
more info
PubMed 
located_in endosome IEA
Inferred from Electronic Annotation
more info
 
located_in endosome ISS
Inferred from Sequence or Structural Similarity
more info
 
located_in focal adhesion IDA
Inferred from Direct Assay
more info
PubMed 
located_in membrane ISO
Inferred from Sequence Orthology
more info
 
located_in mitochondrion IDA
Inferred from Direct Assay
more info
PubMed 
is_active_in neuron projection IBA
Inferred from Biological aspect of Ancestor
more info
 
located_in perikaryon IDA
Inferred from Direct Assay
more info
PubMed 
located_in perikaryon IEA
Inferred from Electronic Annotation
more info
 
is_active_in plasma membrane IBA
Inferred from Biological aspect of Ancestor
more info
 
located_in plasma membrane IEA
Inferred from Electronic Annotation
more info
 
is_active_in postsynaptic membrane IDA
Inferred from Direct Assay
more info
PubMed 
is_active_in presynaptic membrane IDA
Inferred from Direct Assay
more info
PubMed 
located_in sarcolemma IDA
Inferred from Direct Assay
more info
PubMed 
located_in sarcoplasmic reticulum IDA
Inferred from Direct Assay
more info
PubMed 
is_active_in spine apparatus IDA
Inferred from Direct Assay
more info
PubMed 

General protein information

Preferred Names
mu-type opioid receptor
Names
M-OR-1
MOR-1
MUOR1
opioid receptor B

NCBI Reference Sequences (RefSeq)

NEW Try the new Transcript table

RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

mRNA and Protein(s)

  1. NM_001038597.2NP_001033686.1  mu-type opioid receptor isoform IA

    See identical proteins and their annotated locations for NP_001033686.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1A) lacks several exons and its 3' terminal exon extends past a splice site that is used in variant MOR-1C2. This results in a novel 3' coding region and 3' UTR, compared to variant MOR-1B2. It encodes isoform 1A which is longer/shorter and has a distinct C-terminus, compared to isoform 1C2.
    Source sequence(s)
    AY309000, L13069
    UniProtKB/TrEMBL
    B8Q1M0
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  2. NM_001038599.2NP_001033688.2  mu-type opioid receptor isoform 1B2

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1B2) lacks several exons and contains an alternate terminal exon compared to variant MOR-1C2. The encoded isoform (1B2) is shorter than isoform 1C2.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/TrEMBL
    B8Q1M0
    Related
    ENSRNOP00000090665.1, ENSRNOT00000089428.2
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  3. NM_001038600.2NP_001033689.1  mu-type opioid receptor isoform 1C1

    See identical proteins and their annotated locations for NP_001033689.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1C1) lacks an alternate segment in the 3' region, compared to variant MOR-1C2. It encodes isoform 1C1 which has is shorter than isoform 1C2.
    Source sequence(s)
    AY225402, L13069
    UniProtKB/TrEMBL
    A0A8L2QEH9
    Related
    ENSRNOP00000024682.7, ENSRNOT00000024682.9
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  4. NM_001038601.2NP_001033690.1  mu-type opioid receptor isoform 1C2

    See identical proteins and their annotated locations for NP_001033690.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1C2) encodes the longest isoform (1C2).
    Source sequence(s)
    AY225403, L13069
    UniProtKB/TrEMBL
    A0A8I5ZZ23
    Related
    ENSRNOP00000083305.1, ENSRNOT00000086685.2
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  5. NM_001304733.1NP_001291662.1  mu-type opioid receptor isoform 1G1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1G1) represents use of an alternate promoter and 5' UTR, uses a downstream start codon, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1G1) is shorter than isoform 1C2.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/TrEMBL
    B8K2Q4
    Conserved Domains (2) summary
    pfam00001
    Location:1238
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:56183
    7tm_4; Olfactory receptor
  6. NM_001304734.1NP_001291663.1  mu-type opioid receptor isoform 1G2

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1G2) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1G2) is shorter than isoform 1C2.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/TrEMBL
    D2CKI4
    Conserved Domains (2) summary
    pfam00001
    Location:7248
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:9193
    7tm_4; Olfactory receptor
  7. NM_001304735.1NP_001291664.1  mu-type opioid receptor isoform 1

    See identical proteins and their annotated locations for NP_001291664.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1H1) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1) is shorter than isoform 1C2. Variants MOR-1H1, MOR-1i1, MOR-1i2 and MOR-1i3 encode the same isoform.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/Swiss-Prot
    P33535, Q2TV20, Q2TV21, Q4VWM5, Q4VWM7, Q4VWX7, Q4VWX8, Q62846, Q64064, Q64120
    UniProtKB/TrEMBL
    A6KIP5, B8Q1M0
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  8. NM_001304736.1NP_001291665.1  mu-type opioid receptor isoform 1H2

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1H2) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1H2) is shorter than isoform 1C2.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/TrEMBL
    D2CKI5
    Conserved Domains (2) summary
    pfam00001
    Location:135386
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:127331
    7tm_4; Olfactory receptor
  9. NM_001304737.1NP_001291666.1  mu-type opioid receptor isoform 1

    See identical proteins and their annotated locations for NP_001291666.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1i1) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1) is shorter than isoform 1C2. Variants MOR-1H1, MOR-1i1, MOR-1i2 and MOR-1i3 encode the same isoform.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/Swiss-Prot
    P33535, Q2TV20, Q2TV21, Q4VWM5, Q4VWM7, Q4VWX7, Q4VWX8, Q62846, Q64064, Q64120
    UniProtKB/TrEMBL
    A6KIP5, B8Q1M0
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  10. NM_001304738.1NP_001291667.1  mu-type opioid receptor isoform 1

    See identical proteins and their annotated locations for NP_001291667.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1i2) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1) is shorter than isoform 1C2. Variants MOR-1H1, MOR-1i1, MOR-1i2 and MOR-1i3 encode the same isoform.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/Swiss-Prot
    P33535, Q2TV20, Q2TV21, Q4VWM5, Q4VWM7, Q4VWX7, Q4VWX8, Q62846, Q64064, Q64120
    UniProtKB/TrEMBL
    A6KIP5, B8Q1M0
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  11. NM_001304740.1NP_001291669.1  mu-type opioid receptor isoform 1

    See identical proteins and their annotated locations for NP_001291669.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1i3) represents use of an alternate promoter and 5' UTR, and uses an alternate 3' exon, compared to variant MOR-1C2. The resulting isoform (1) is shorter than isoform 1C2. Variants MOR-1H1, MOR-1i1, MOR-1i2 and MOR-1i3 encode the same isoform.
    Source sequence(s)
    JAXUCZ010000001
    UniProtKB/Swiss-Prot
    P33535, Q2TV20, Q2TV21, Q4VWM5, Q4VWM7, Q4VWX7, Q4VWX8, Q62846, Q64064, Q64120
    UniProtKB/TrEMBL
    A6KIP5, B8Q1M0
    Related
    ENSRNOP00000074079.2, ENSRNOT00000083308.2
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor
  12. NM_013071.2NP_037203.1  mu-type opioid receptor isoform 1

    See identical proteins and their annotated locations for NP_037203.1

    Status: VALIDATED

    Description
    Transcript Variant: This variant (1) lacks several exons and contains an alternate terminal exon compared to variant MOR-1C2. The encoded isoform (1) is shorter than isoform 1C2.
    Source sequence(s)
    L13069, L20684
    UniProtKB/Swiss-Prot
    P33535, Q2TV20, Q2TV21, Q4VWM5, Q4VWM7, Q4VWX7, Q4VWX8, Q62846, Q64064, Q64120
    UniProtKB/TrEMBL
    A6KIP5, B8Q1M0
    Conserved Domains (2) summary
    pfam00001
    Location:85336
    7tm_1; 7 transmembrane receptor (rhodopsin family)
    cl21561
    Location:77281
    7tm_4; Olfactory receptor

RNA

  1. NR_027877.1 RNA Sequence

    Status: VALIDATED

    Description
    Transcript Variant: This variant (MOR-1D) uses an alternate 3' exon structure, compared to variant MOR-1C2. This variant is represented as non-coding because the use of the 5'-most expected translational start codon renders the transcript a candidate for nonsense-mediated mRNA decay (NMD).
    Source sequence(s)
    AY225402, AY309002, L13069
    Related
    ENSRNOT00000092034.2

RefSeqs of Annotated Genomes: GCF_036323735.1-RS_2024_02

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference GRCr8

Genomic

  1. NC_086019.1 Reference GRCr8

    Range
    45565371..45818722
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. XM_063282032.1XP_063138102.1  mu-type opioid receptor isoform X2

  2. XM_063282030.1XP_063138100.1  mu-type opioid receptor isoform X1

    UniProtKB/TrEMBL
    A6KIP6