2JK5

Potassium Channel KcsA in complex with Tetrabutylammonium in high 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	8
Details	BINDING SITE FOR RESIDUE CO C 1124

Chain	Residue
C	HIS124
C	HIS124
C	HIS124
C	HIS124
C	HOH2048
C	HOH2048
C	HOH2048
C	HOH2048

---

site_id	AC2
Number of Residues	12
Details	BINDING SITE FOR RESIDUE K C 1125

Chain	Residue
C	GLY77
C	GLY77
C	GLY77
C	TYR78
C	TYR78
C	TYR78
C	TYR78
C	K1126
C	K1126
C	K1126
C	K1126
C	GLY77

---

site_id	AC3
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K C 1126

Chain	Residue
C	VAL76
C	VAL76
C	VAL76
C	VAL76
C	GLY77
C	GLY77
C	GLY77
C	GLY77
C	K1125
C	K1125
C	K1125
C	K1125
C	K1127
C	K1127
C	K1127
C	K1127

---

site_id	AC4
Number of Residues	16
Details	BINDING SITE FOR RESIDUE K C 1127

Chain	Residue
C	THR75
C	THR75
C	THR75
C	THR75
C	VAL76
C	VAL76
C	VAL76
C	VAL76
C	K1126
C	K1126
C	K1126
C	K1126
C	K1128
C	K1128
C	K1128
C	K1128

---

site_id	AC5
Number of Residues	8
Details	BINDING SITE FOR RESIDUE K C 1128

Chain	Residue
C	THR75
C	THR75
C	THR75
C	THR75
C	K1127
C	K1127
C	K1127
C	K1127

---

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE K C 1129

Chain	Residue
C	HOH2012
C	HOH2012
C	HOH2012
C	HOH2012

---

site_id	AC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE F09 C 1131

Chain	Residue
A	HOH2026
C	LEU46
C	HP61134

---

site_id	AC8
Number of Residues	4
Details	BINDING SITE FOR RESIDUE L2C C 1132

Chain	Residue
C	PRO63
C	VAL84
C	ARG89
C	HOH2051

---

site_id	AC9
Number of Residues	8
Details	BINDING SITE FOR RESIDUE TBA C 1133

Chain	Residue
C	THR74
C	THR74
C	THR74
C	THR74
C	THR75
C	THR75
C	THR75
C	THR75

---

site_id	BC1
Number of Residues	2
Details	BINDING SITE FOR RESIDUE HP6 C 1134

Chain	Residue
C	LEU46
C	F091131

---

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	45
Details	Transmembrane: {"description":"Helical"}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	16
Details	Topological domain: {"description":"Extracellular"}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	10
Details	Intramembrane: {"description":"Helical; Pore-forming"}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	7
Details	Intramembrane: {"description":"Pore-forming"}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	5
Details	Motif: {"description":"Selectivity filter"}

Chain

Residue

Details

---