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2WLK
Biol. Unit 1
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Asym.Unit (264 KB)
Biol.Unit 1 (509 KB)
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(1)
Title
:
STRUCTURE OF THE ATP-SENSITIVE INWARD RECTIFIER POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM
Authors
:
O. B. Clarke, A. T. Caputo, B. J. Smith, J. M. Gulbis
Date
:
24 Jun 09 (Deposition) - 09 Jun 10 (Release) - 25 Apr 12 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.80
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A,B (2x)
Keywords
:
Integral Membrane Protein, Ionic Channel, Metal Transport, Ion Transport, Transport
(Keyword Search:
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Reference
:
O. B. Clarke, A. T. Caputo, A. P. Hill, J. I. Vandenberg, B. J. Smith, J. M. Gulbis
Domain Reorientation And Rotation Of An Intracellular Assembly Regulate Conduction In Kir Potassium Channels.
Cell(Cambridge, Mass. ) V. 141 1018 2010
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Hetero Components
(1, 2)
Info
All Hetero Components
1a: CHLORIDE ION (CLa)
2a: POTASSIUM ION (Ka)
2b: POTASSIUM ION (Kb)
2c: POTASSIUM ION (Kc)
2d: POTASSIUM ION (Kd)
2e: POTASSIUM ION (Ke)
3a: SPERMINE (SPMa)
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Label:
No.
Name
Count
Type
Full Name
1
CL
-1
Ligand/Ion
CHLORIDE ION
2
K
-1
Ligand/Ion
POTASSIUM ION
3
SPM
2
Ligand/Ion
SPERMINE
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Sites
(6, 6)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
THR A:96 , ILE A:97 , K A:1303 , K A:1304 , THR B:96 , ILE B:97
BINDING SITE FOR RESIDUE K A1302
2
AC2
SOFTWARE
THR A:96 , K A:1302 , THR B:96
BINDING SITE FOR RESIDUE K A1303
3
AC3
SOFTWARE
ILE A:97 , GLY A:98 , K A:1302 , K A:1305 , ILE B:97 , GLY B:98
BINDING SITE FOR RESIDUE K A1304
4
AC4
SOFTWARE
GLY A:98 , TYR A:99 , K A:1304 , GLY B:98 , TYR B:99
BINDING SITE FOR RESIDUE K A1305
5
AC5
SOFTWARE
TYR A:132 , TYR B:132 , HOH B:2018 , HOH B:2019
BINDING SITE FOR RESIDUE SPM B1302
6
AC6
SOFTWARE
ARG A:194 , ARG B:202
BINDING SITE FOR RESIDUE CL A1306
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SAPs(SNPs)/Variants
(0, 0)
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(mutated residues are only available for the asymmetric unit)
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PROSITE Patterns/Profiles
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Exons
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Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
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SCOP Domains
(2, 4)
Info
All SCOP Domains
1a: SCOP_d2wlka2 (A:139-301)
1b: SCOP_d2wlkb2 (B:139-301)
2a: SCOP_d2wlka1 (A:11-138)
2b: SCOP_d2wlkb1 (B:11-138)
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Class
:
All beta proteins
(24004)
Fold
:
Immunoglobulin-like beta-sandwich
(7299)
Superfamily
:
E set domains
(509)
Family
:
Cytoplasmic domain of inward rectifier potassium channel
(19)
Protein domain
:
Inward rectifier potassium channel kirbac3.1
(4)
Magnetospirillum magnetotacticum [TaxId: 188]
(4)
1a
d2wlka2
A:139-301
1b
d2wlkb2
B:139-301
Class
:
Membrane and cell surface proteins and peptides
(2046)
Fold
:
Voltage-gated potassium channels
(62)
Superfamily
:
Voltage-gated potassium channels
(62)
Family
:
Voltage-gated potassium channels
(61)
Protein domain
:
Inward rectifier potassium channel kirbac3.1
(4)
Magnetospirillum magnetotacticum [TaxId: 188]
(4)
2a
d2wlka1
A:11-138
2b
d2wlkb1
B:11-138
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CATH Domains
(2, 4)
Info
all CATH domains
1a: CATH_2wlkA01 (A:31-138)
1b: CATH_2wlkB01 (B:31-138)
2a: CATH_2wlkA02 (A:139-301)
2b: CATH_2wlkB02 (B:139-301)
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Class
:
Mainly Alpha
(13335)
Architecture
:
Orthogonal Bundle
(10391)
Topology
:
Helix Hairpins
(718)
Homologous Superfamily
:
[code=1.10.287.70, no name defined]
(106)
Magnetospirillum magnetotacticum. Organism_taxid: 188.
(11)
1a
2wlkA01
A:31-138
1b
2wlkB01
B:31-138
Class
:
Mainly Beta
(13760)
Architecture
:
Sandwich
(5577)
Topology
:
Immunoglobulin-like
(3897)
Homologous Superfamily
:
G protein-activated inward rectifier potassium channel 1
(21)
Magnetospirillum magnetotacticum. Organism_taxid: 188.
(11)
2a
2wlkA02
A:139-301
2b
2wlkB02
B:139-301
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Pfam Domains
(0, 0)
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Asym.Unit (264 KB)
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