Annotations: 9MA5

Cryo-EM structure of heteromeric Kir4.1/5.1 potassium channel in complex with spermine

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	E1_UFD	e9ma5B1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: E1_UFD	ECOD (v295.2)
A	E1_UFD	e9ma5A1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: E1_UFD	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF01007	Inward rectifier potassium channel transmembrane domain (IRK)	Inward rectifier potassium channel transmembrane domain		Domain
B, D	PF17655	Inward rectifier potassium channel C-terminal domain (IRK_C)	Inward rectifier potassium channel C-terminal domain	This cytoplasmic C-terminal domain has an Ig fold.	Domain
A, C	PF01007	Inward rectifier potassium channel transmembrane domain (IRK)	Inward rectifier potassium channel transmembrane domain		Domain
A, C	PF17655	Inward rectifier potassium channel C-terminal domain (IRK_C)	Inward rectifier potassium channel C-terminal domain	This cytoplasmic C-terminal domain has an Ig fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	ATP-sensitive inward rectifier potassium channel 10	inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ATP-activated inward rectifier potassium channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ATP-activated inward rectifier potassium channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity	organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component organization organelle organization cellular component assembly cilium assembly cellular process cellular component organization or biogenesis non-motile cilium assembly cilium organization cell projection assembly organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component organization organelle organization cellular component assembly cilium assembly cellular process cellular component organization or biogenesis non-motile cilium assembly cilium organization cell projection assembly localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport monoatomic cation transmembrane transport transmembrane transport cellular response to stimulus cellular response to metal ion cellular response to chemical stimulus response to stimulus response to metal ion response to potassium ion response to chemical cellular response to potassium ion import into cell import across plasma membrane inorganic cation import across plasma membrane inorganic ion import across plasma membrane potassium ion import across plasma membrane	cellular anatomical structure membrane glial cell projection cell projection plasma membrane bounded cell projection astrocyte projection cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane cell body ciliary base cellular anatomical structure membrane glial cell projection cell projection plasma membrane bounded cell projection astrocyte projection cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane cell body ciliary base membrane-bounded organelle organelle cilium
A, C	Inward rectifier potassium channel 16	inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport monoatomic cation transmembrane transport transmembrane transport cellular process import into cell import across plasma membrane localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport monoatomic ion transmembrane transport potassium ion transmembrane transport monoatomic cation transmembrane transport transmembrane transport cellular process import into cell import across plasma membrane inorganic cation import across plasma membrane inorganic ion import across plasma membrane potassium ion import across plasma membrane	cellular anatomical structure membrane cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane voltage-gated potassium channel complex protein-containing complex plasma membrane protein complex potassium channel complex membrane protein complex cation channel complex cellular anatomical structure membrane cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane voltage-gated potassium channel complex protein-containing complex plasma membrane protein complex potassium channel complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR041647	Inward rectifier potassium channel, C-terminal	Domain
B, D	IPR040445	Potassium channel, inwardly rectifying, transmembrane domain	Domain
B, D	IPR003269	Potassium channel, inwardly rectifying, Kir1.2	Family
B, D	IPR016449	Potassium channel, inwardly rectifying, Kir	Family
B, D	IPR014756	Immunoglobulin E-set	Homologous Superfamily
B, D	IPR013518	Potassium channel, inwardly rectifying, Kir, cytoplasmic	Homologous Superfamily
A, C	IPR041647	Inward rectifier potassium channel, C-terminal	Domain
A, C	IPR008061	Potassium channel, inwardly rectifying, Kir5	Family
A, C	IPR040445	Potassium channel, inwardly rectifying, transmembrane domain	Domain
A, C	IPR016449	Potassium channel, inwardly rectifying, Kir	Family
A, C	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, C	IPR013518	Potassium channel, inwardly rectifying, Kir, cytoplasmic	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	: P78508	EAST syndrome Pendred syndrome intellectual disability multiple sclerosis autosomal recessive nonsyndromic deafness 4 subependymal giant cell astrocytoma Ataxias, Hereditary epilepsy malignant ependymoma atypical teratoid rhabdoid tumor interstitial cystitis malignant glioma schizophrenia enlarged vestibular aqueduct syndrome glioblastoma EAST syndrome Pendred syndrome intellectual disability multiple sclerosis autosomal recessive nonsyndromic deafness 4 subependymal giant cell astrocytoma Ataxias, Hereditary epilepsy malignant ependymoma atypical teratoid rhabdoid tumor interstitial cystitis malignant glioma schizophrenia enlarged vestibular aqueduct syndrome glioblastoma large cell medulloblastoma medulloblastoma oligodendroglioma
A, C	: Q9NPI9	pilocytic astrocytoma psoriasis subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor cystic fibrosis gastric carcinoma lung cancer malignant mesothelioma nephrosclerosis pancreatic intraductal papillary-mucinous neoplasm pituitary cancer sinusitis breast cancer ductal breast carcinoma in situ invasive ductal breast carcinoma pilocytic astrocytoma psoriasis subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor cystic fibrosis gastric carcinoma lung cancer malignant mesothelioma nephrosclerosis pancreatic intraductal papillary-mucinous neoplasm pituitary cancer sinusitis breast cancer ductal breast carcinoma in situ invasive ductal breast carcinoma malignant ependymoma malignant pancreatic neoplasm oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor Sjogren syndrome breast carcinoma EAST syndrome large cell medulloblastoma malignant glioma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.