1K4C

Potassium Channel KcsA-Fab complex in high concentration of K+

Functional Information from GO Data

Chain	GOid	namespace	contents
C	0005249	molecular_function	voltage-gated potassium channel activity
C	0006813	biological_process	potassium ion transport
C	0008076	cellular_component	voltage-gated potassium channel complex

Functional Information from PDB Data

site_id	AC1
Number of Residues	12
Details	BINDING SITE FOR RESIDUE K C 3001

Chain	Residue
C	GLY77
C	K3002
C	K3002
C	K3002
C	GLY77
C	GLY77
C	GLY77
C	TYR78
C	TYR78
C	TYR78
C	TYR78
C	K3002

---

site_id	AC2
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K C 3002

Chain	Residue
C	VAL76
C	VAL76
C	VAL76
C	VAL76
C	GLY77
C	GLY77
C	GLY77
C	GLY77
C	K3001
C	K3001
C	K3001
C	K3001
C	K3003
C	K3003
C	K3003
C	K3003

---

site_id	AC3
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K C 3003

Chain	Residue
C	THR75
C	THR75
C	THR75
C	THR75
C	VAL76
C	VAL76
C	VAL76
C	VAL76
C	K3002
C	K3002
C	K3002
C	K3002
C	K3004
C	K3004
C	K3004
C	K3004

---

site_id	AC4
Number of Residues	8
Details	BINDING SITE FOR RESIDUE K C 3004

Chain	Residue
C	THR75
C	THR75
C	THR75
C	THR75
C	K3003
C	K3003
C	K3003
C	K3003

---

site_id	AC5
Number of Residues	4
Details	BINDING SITE FOR RESIDUE K C 3006

Chain	Residue
C	K3007
C	K3007
C	K3007
C	K3007

---

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE K C 3007

Chain	Residue
C	K3006
C	K3006
C	K3006
C	K3006

---

site_id	AC7
Number of Residues	8
Details	BINDING SITE FOR RESIDUE DGA C 1001

Chain	Residue
B	GLU53
B	HOH311
B	HOH409
C	TYR45
C	TYR62
C	PRO63
C	ARG89
C	HOH3061

---

site_id	AC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE F09 A 2001

Chain	Residue
A	ARG57
C	TRP87

---

Functional Information from PROSITE/UniProt

site_id	PS00290
Number of Residues	7
Details	IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH

Chain	Residue	Details
B	TYR192-HIS198

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	26
Details	TOPO_DOM: Cytoplasmic

Chain	Residue	Details
C	MET1-ARG27

---

site_id	SWS_FT_FI2
Number of Residues	45
Details	TRANSMEM: Helical

Chain	Residue	Details
C	ALA28-ALA50
C	GLY88-ALA111

---

site_id	SWS_FT_FI3
Number of Residues	16
Details	TOPO_DOM: Extracellular

Chain	Residue	Details
C	GLU51-THR61
C	LEU81-TRP87

---

site_id	SWS_FT_FI4
Number of Residues	10
Details	INTRAMEM: Helical; Pore-forming

Chain	Residue	Details
C	TYR62-THR72

---

site_id	SWS_FT_FI5
Number of Residues	7
Details	INTRAMEM: Pore-forming

Chain	Residue	Details
C	ALA73-ASP80

---