4KFM

Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) in complex with the beta-gamma G protein subunits

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005242	molecular_function	inward rectifier potassium channel activity
A	0006813	biological_process	potassium ion transport
A	0016020	cellular_component	membrane
B	0001750	cellular_component	photoreceptor outer segment
B	0003924	molecular_function	GTPase activity
B	0005515	molecular_function	protein binding
B	0005737	cellular_component	cytoplasm
B	0005765	cellular_component	lysosomal membrane
B	0005829	cellular_component	cytosol
B	0005834	cellular_component	heterotrimeric G-protein complex
B	0005886	cellular_component	plasma membrane
B	0007165	biological_process	signal transduction
B	0007186	biological_process	G protein-coupled receptor signaling pathway
B	0007191	biological_process	adenylate cyclase-activating dopamine receptor signaling pathway
B	0007213	biological_process	G protein-coupled acetylcholine receptor signaling pathway
B	0007265	biological_process	Ras protein signal transduction
B	0016020	cellular_component	membrane
B	0030159	molecular_function	signaling receptor complex adaptor activity
B	0044877	molecular_function	protein-containing complex binding
B	0045202	cellular_component	synapse
B	0051020	molecular_function	GTPase binding
B	0070062	cellular_component	extracellular exosome
B	0071380	biological_process	cellular response to prostaglandin E stimulus
B	0071870	biological_process	cellular response to catecholamine stimulus
B	0097381	cellular_component	photoreceptor disc membrane
B	1903561	cellular_component	extracellular vesicle
G	0005515	molecular_function	protein binding
G	0005834	cellular_component	heterotrimeric G-protein complex
G	0005886	cellular_component	plasma membrane
G	0007165	biological_process	signal transduction
G	0007186	biological_process	G protein-coupled receptor signaling pathway
G	0007191	biological_process	adenylate cyclase-activating dopamine receptor signaling pathway
G	0016020	cellular_component	membrane
G	0031681	molecular_function	G-protein beta-subunit binding
G	0045202	cellular_component	synapse
G	0070062	cellular_component	extracellular exosome
G	0071380	biological_process	cellular response to prostaglandin E stimulus
G	0071870	biological_process	cellular response to catecholamine stimulus

Functional Information from PDB Data

site_id	AC1
Number of Residues	7
Details	BINDING SITE FOR RESIDUE PIO A 401

Chain	Residue
A	LYS64
A	LYS90
A	TRP91
A	ARG92
A	LYS194
A	LYS199
A	LYS200

---

site_id	AC2
Number of Residues	12
Details	BINDING SITE FOR RESIDUE K A 402

Chain	Residue
A	GLY156
A	GLY156
A	TYR157
A	TYR157
A	TYR157
A	TYR157
A	K403
A	K403
A	K403
A	K403
A	GLY156
A	GLY156

---

site_id	AC3
Number of Residues	12
Details	BINDING SITE FOR RESIDUE K A 403

Chain	Residue
A	ILE155
A	ILE155
A	ILE155
A	ILE155
A	K402
A	K402
A	K402
A	K402
A	K404
A	K404
A	K404
A	K404

---

site_id	AC4
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K A 404

Chain	Residue
A	THR154
A	THR154
A	THR154
A	THR154
A	ILE155
A	ILE155
A	ILE155
A	ILE155
A	K403
A	K403
A	K403
A	K403
A	K405
A	K405
A	K405
A	K405

---

site_id	AC5
Number of Residues	8
Details	BINDING SITE FOR RESIDUE K A 405

Chain	Residue
A	THR154
A	THR154
A	THR154
A	THR154
A	K404
A	K404
A	K404
A	K404

---

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE NA A 407

Chain	Residue
A	ASP228
A	ARG230
A	SER232
A	LEU275

---

site_id	AC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE LMT A 408

Chain	Residue
A	HIS68
A	HIS69
A	ASN231

---

Functional Information from PROSITE/UniProt

site_id	PS00678
Number of Residues	15
Details	WD_REPEATS_1 Trp-Asp (WD) repeats signature. LVSAsqDgKLIIWDS

Chain	Residue	Details
B	LEU70-SER84
B	ILE157-ILE171
B	LEU285-ALA299

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	24
Details	Transmembrane: {"description":"Helical; Name=M1","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	31
Details	Topological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	11
Details	Intramembrane: {"description":"Helical; Pore-forming; Name=H5","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	6
Details	Intramembrane: {"description":"Pore-forming","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	21
Details	Transmembrane: {"description":"Helical; Name=M2","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI6
Number of Residues	5
Details	Motif: {"description":"Selectivity filter","evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI11
Number of Residues	48
Details	Repeat: {"description":"WD 1","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI12
Number of Residues	45
Details	Repeat: {"description":"WD 2","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI13
Number of Residues	40
Details	Repeat: {"description":"WD 3","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI14
Number of Residues	41
Details	Repeat: {"description":"WD 4","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI15
Number of Residues	43
Details	Repeat: {"description":"WD 5","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI16
Number of Residues	41
Details	Repeat: {"description":"WD 6","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI17
Number of Residues	30
Details	Repeat: {"description":"WD 7","evidences":[{"source":"PubMed","id":"38600377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"38776963","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8VY7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8VY9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8XQT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8YKY","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI18
Number of Residues	1
Details	Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI19
Number of Residues	1
Details	Modified residue: {"description":"Phosphohistidine","evidences":[{"source":"UniProtKB","id":"P62871","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---