2P7T

Crystal Structure of KcsA mutant

PDB DOI: https://doi.org/10.2210/pdb2P7T/pdb

Classification: MEMBRANE PROTEIN
Organism(s): Mus musculus, Streptomyces lividans
Expression System: Escherichia coli
Mutation(s): Yes
Membrane Protein: Yes PDBTMMemProtMD

Deposited: 2007-03-20 Released: 2007-10-09
Deposition Author(s): Cordero-Morales, J.F., Vishwanath, J., Lewis, A., Valeria, V.R., Cortes, D.M., Roux, B., Perozo, E.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.05 Å
R-Value Free:
0.234 (Depositor)
R-Value Work:
0.219 (Depositor), 0.220 (DCC)

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.4 of the entry. See complete history.

Literature

Crystal Structure of KcsA mutant

Cordero-Morales, J.F., Vishwanath, J., Lewis, A., Vasquez, V., Cortes, D.M., Roux, B., Perozo, E.

To be published.

Macromolecule Content

Total Structure Weight: 58.61 kDa
Atom Count: 4,273
Modelled Residue Count: 534
Deposited Residue Count: 534
Unique protein chains: 3

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FAB-A	A	219	Mus musculus	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence LOADING

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
FAB-B	B	212	Mus musculus	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence LOADING

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(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Voltage-gated potassium channel	C	103	Streptomyces lividans	Mutation(s): 2 Gene Names: kcsA, skc1 Membrane Entity: Yes
UniProt
Find proteins for P0A334 (Streptomyces lividans) Explore P0A334 Go to UniProtKB: P0A334
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0A334
Sequence Annotations Expand
Reference Sequence LOADING

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
1EM Query on 1EM Download Ideal Coordinates CCD File SDF format, chain K [auth C] MOL2 format, chain K [auth C] mmCIF format, chain K [auth C]	K [auth C]	(1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE C₂₆ H₅₀ O₅ IHUWMVGHYXVIRN-DEOSSOPVSA-N		Interactions Focus chain K [auth C] Interactions & Density Focus chain K [auth C]
F09 Query on F09 Download Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	NONAN-1-OL C₉ H₂₀ O ZWRUINPWMLAQRD-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]
K Query on K Download Ideal Coordinates CCD File SDF format, chain E [auth C] SDF format, chain F [auth C] SDF format, chain G [auth C] SDF format, chain H [auth C] SDF format, chain I [auth C] SDF format, chain J [auth C] MOL2 format, chain E [auth C] MOL2 format, chain F [auth C] MOL2 format, chain G [auth C] MOL2 format, chain H [auth C] MOL2 format, chain I [auth C] MOL2 format, chain J [auth C] mmCIF format, chain E [auth C] mmCIF format, chain F [auth C] mmCIF format, chain G [auth C] mmCIF format, chain H [auth C] mmCIF format, chain I [auth C] mmCIF format, chain J [auth C]	E [auth C] F [auth C] G [auth C] H [auth C] I [auth C] E [auth C], F [auth C], G [auth C], H [auth C], I [auth C], J [auth C]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain E [auth C] Focus chain F [auth C] Focus chain G [auth C] Focus chain H [auth C] Focus chain I [auth C] Focus chain J [auth C] Interactions & Density Focus chain E [auth C] Focus chain F [auth C] Focus chain G [auth C] Focus chain H [auth C] Focus chain I [auth C] Focus chain J [auth C]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.05 Å
R-Value Free: 0.234 (Depositor)
R-Value Work: 0.219 (Depositor), 0.220 (DCC)

Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 156.339	α = 90
b = 156.339	β = 90
c = 76.001	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2007-10-09

Deposition Author(s):

Cordero-Morales, J.F.

Revision History (Full details and data files)

Version 1.0: 2007-10-09
Type: Initial release
Version 1.1: 2011-07-13
Changes: Derived calculations, Version format compliance
Version 1.2: 2011-08-10
Changes: Structure summary
Version 1.3: 2021-10-20
Changes: Database references, Derived calculations
Version 1.4: 2024-11-20
Changes: Data collection, Structure summary