eF-site ID 1bl8-A
PDB Code 1bl8
Chain A

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Title POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS
Classification MEMBRANE PROTEIN
Compound PROTEIN (POTASSIUM CHANNEL PROTEIN)
Source Streptomyces lividans (KCSA_STRLI)
Sequence A:  ALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITY
PRALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITS
FGLVTAALATWFVGREQ
Description


Functional site

1) chain A
residue 76
type
sequence V
description FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS.
source : SEL

2) chain A
residue 77
type
sequence G
description FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS.
source : SEL

3) chain A
residue 78
type
sequence Y
description FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS.
source : SEL

4) chain A
residue 79
type
sequence G
description FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS.
source : SEL

5) chain A
residue 77
type
sequence G
description BINDING SITE FOR RESIDUE K A 401
source : AC1

6) chain A
residue 78
type
sequence Y
description BINDING SITE FOR RESIDUE K A 401
source : AC1

7) chain A
residue 75
type
sequence T
description BINDING SITE FOR RESIDUE K A 402
source : AC2

8) chain A
residue 76
type
sequence V
description BINDING SITE FOR RESIDUE K A 402
source : AC2

9) chain A
residue 75
type
sequence T
description BINDING SITE FOR RESIDUE K A 403
source : AC3

10) chain A
residue 28-50
type TRANSMEM
sequence AAGAATVLLVIVLLAGSYLAVLA
description Helical
source Swiss-Prot : SWS_FT_FI1

11) chain A
residue 88-111
type TRANSMEM
sequence GRCVAVVVMVAGITSFGLVTAALA
description Helical
source Swiss-Prot : SWS_FT_FI1

12) chain A
residue 51-61
type TOPO_DOM
sequence ERGAPGAQLIT
description Extracellular
source Swiss-Prot : SWS_FT_FI2

13) chain A
residue 81-87
type TOPO_DOM
sequence LYPVTLW
description Extracellular
source Swiss-Prot : SWS_FT_FI2

14) chain A
residue 62-72
type INTRAMEM
sequence YPRALWWSVET
description Helical; Pore-forming
source Swiss-Prot : SWS_FT_FI3

15) chain A
residue 73-80
type INTRAMEM
sequence ATTVGYGD
description Pore-forming
source Swiss-Prot : SWS_FT_FI4


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