4LP8

A Novel Open-State Crystal Structure of the Prokaryotic Inward Rectifier KirBac3.1

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005242	molecular_function	inward rectifier potassium channel activity
A	0005886	cellular_component	plasma membrane
A	0006811	biological_process	monoatomic ion transport
A	0006813	biological_process	potassium ion transport
A	0016020	cellular_component	membrane
A	0034220	biological_process	monoatomic ion transmembrane transport
A	0034702	cellular_component	monoatomic ion channel complex
A	0034765	biological_process	regulation of monoatomic ion transmembrane transport
A	0042802	molecular_function	identical protein binding
A	1990573	biological_process	potassium ion import across plasma membrane

Functional Information from PDB Data

site_id	AC1
Number of Residues	2
Details	BINDING SITE FOR RESIDUE PEG A 401

Chain	Residue
A	THR60
A	CYS119

---

site_id	AC2
Number of Residues	8
Details	BINDING SITE FOR RESIDUE K A 402

Chain	Residue
A	K403
A	THR96
A	THR96
A	THR96
A	THR96
A	K403
A	K403
A	K403

---

site_id	AC3
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K A 403

Chain	Residue
A	THR96
A	THR96
A	THR96
A	THR96
A	ILE97
A	ILE97
A	ILE97
A	ILE97
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	ILE97
A	ILE97
A	ILE97
A	ILE97
A	GLY98
A	GLY98
A	GLY98
A	GLY98
A	K403
A	K403
A	K403
A	K403
A	K405
A	K405
A	K405
A	K405

---

site_id	AC5
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K A 405

Chain	Residue
A	GLY98
A	GLY98
A	GLY98
A	GLY98
A	TYR99
A	TYR99
A	TYR99
A	TYR99
A	K404
A	K404
A	K404
A	K404
A	K408
A	K408
A	K408
A	K408

---

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE K A 408

Chain	Residue
A	K405
A	K405
A	K405
A	K405

---

site_id	AC7
Number of Residues	4
Details	BINDING SITE FOR RESIDUE CL A 410

Chain	Residue
A	ARG129
A	ARG129
A	ARG129
A	ARG129

---

site_id	AC8
Number of Residues	4
Details	BINDING SITE FOR RESIDUE CL A 411

Chain	Residue
A	ARG129
A	ARG129
A	ARG129
A	ARG129

---

site_id	AC9
Number of Residues	5
Details	BINDING SITE FOR RESIDUE CL A 412

Chain	Residue
A	ASP219
A	HIS221
A	SER222
A	HOH511
A	HOH613

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	45
Details	Transmembrane: {"description":"Helical"}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	12
Details	Topological domain: {"description":"Extracellular"}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	12
Details	Intramembrane: {"description":"Helical; Pore-forming"}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	163
Details	Topological domain: {"description":"Cytoplasmic"}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	4
Details	Motif: {"description":"Selectivity filter"}

Chain

Residue

Details

---