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3IFX
Biol. Unit 1
Info
Asym.Unit (67 KB)
Biol.Unit 1 (59 KB)
Biol.Unit 2 (117 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF THE SPIN-LABELED KCSA MUTANT V48R1
Authors
:
J. A. Cieslak, P. J. Focia, A. Gross
Date
:
26 Jul 09 (Deposition) - 09 Feb 10 (Release) - 27 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION; EPR
Resolution
:
3.56
Chains
:
Asym. Unit : A,B,C,D
Biol. Unit 1: A,B,C,D (1x)
Biol. Unit 2: A,B,C,D (2x)
Keywords
:
Potassium Channel, Spin-Labeled Protein, Membrane Protein, Cell Membrane, Ion Transport, Ionic Channel, Membrane, Transmembrane, Transport, Voltage-Gated Channel
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Reference
:
J. A. Cieslak, P. J. Focia, A. Gross
Electron Spin-Echo Envelope Modulation (Eseem) Reveals Wate And Phosphate Interactions With The Kcsa Potassium Channel
Biochemistry V. 49 1486 2010
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Hetero Components
(2, 5)
Info
All Hetero Components
1a: POTASSIUM ION (Ka)
1b: POTASSIUM ION (Kb)
2a: S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5... (MTNa)
2b: S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5... (MTNb)
2c: S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5... (MTNc)
2d: S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5... (MTNd)
3a: TETRABUTYLAMMONIUM ION (TBAa)
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No.
Name
Count
Type
Full Name
1
K
-1
Ligand/Ion
POTASSIUM ION
2
MTN
4
Ligand/Ion
S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5-DIHYDRO-1H-PYRROL-3-YL)METHYL] METHANESULFONOTHIOATE
3
TBA
1
Ligand/Ion
TETRABUTYLAMMONIUM ION
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Sites
(7, 7)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
7: AC7 (SOFTWARE)
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Name
Evidence
Residues
Description
1
AC1
SOFTWARE
THR A:75 , THR B:75 , K B:201 , THR C:75 , THR D:75
BINDING SITE FOR RESIDUE K A 202
2
AC2
SOFTWARE
THR A:75 , VAL A:76 , K A:202 , THR B:75 , VAL B:76 , THR C:75 , VAL C:76 , THR D:75 , VAL D:76
BINDING SITE FOR RESIDUE K B 201
3
AC3
SOFTWARE
CYS A:48 , LEU A:49
BINDING SITE FOR RESIDUE MTN A 248
4
AC4
SOFTWARE
CYS B:48 , ARG B:52 , ILE B:60 , TYR B:62
BINDING SITE FOR RESIDUE MTN B 248
5
AC5
SOFTWARE
CYS C:48 , LEU C:49
BINDING SITE FOR RESIDUE MTN C 248
6
AC6
SOFTWARE
CYS D:48 , LEU D:49 , ARG D:52 , ILE D:60 , THR D:61 , TYR D:62
BINDING SITE FOR RESIDUE MTN D 248
7
AC7
SOFTWARE
THR A:74 , THR A:75 , ILE A:100 , PHE A:103 , THR B:74 , THR B:75 , ILE B:100 , PHE B:103 , THR C:75 , ILE C:100 , THR D:75
BINDING SITE FOR RESIDUE TBA B 203
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SAPs(SNPs)/Variants
(0, 0)
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SCOP Domains
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CATH Domains
(1, 4)
Info
all CATH domains
1a: CATH_3ifxA00 (A:23-119)
1b: CATH_3ifxB00 (B:23-119)
1c: CATH_3ifxC00 (C:23-119)
1d: CATH_3ifxD00 (D:23-119)
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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)
Streptomyces lividans. Organism_taxid: 1916.
(3)
1a
3ifxA00
A:23-119
1b
3ifxB00
B:23-119
1c
3ifxC00
C:23-119
1d
3ifxD00
D:23-119
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Pfam Domains
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Asymmetric Unit 1
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Asym.Unit (67 KB)
Header - Asym.Unit
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Header - Biol.Unit 1
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