4RO0

Crystal structure of MthK gating ring in a ligand-free form

PDB DOI: https://doi.org/10.2210/pdb4RO0/pdb

Classification: TRANSPORT PROTEIN
Organism(s): Methanothermobacter thermautotrophicus str. Delta H
Mutation(s): No

Deposited: 2014-10-27 Released: 2015-10-28
Deposition Author(s): Dong, W., Guo, R., Chai, H., Chen, Z., Cui, H., Ren, Z., Li, Y., Ye, S.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.18 Å
R-Value Free: 0.301
R-Value Work: 0.263
R-Value Observed: 0.264

wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

The principle of cooperative gating in a calcium-gated K+ channel

Dong, W., Guo, R., Chai, H., Chen, Z., Cui, H., Ren, Z., Li, Y., Ye, S.

To be published.

Macromolecule Content

Total Structure Weight: 1,017.92 kDa
Atom Count: 68,748
Modelled Residue Count: 8,840
Deposited Residue Count: 9,200
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcium-gated potassium channel MthK	A AA [auth N] B [auth a] BA [auth n] C [auth B] A, AA [auth N], B [auth a], BA [auth n], C [auth B], CA [auth O], D [auth b], DA [auth o], E [auth C], EA [auth P], F [auth c], FA [auth p], G [auth D], GA [auth Q], H [auth d], HA [auth q], I [auth E], IA [auth R], J [auth e], JA [auth r], K [auth F], KA [auth S], L [auth f], LA [auth s], M [auth G], MA [auth T], N [auth g], NA [auth t], O [auth H], P [auth h], Q [auth I], R [auth i], S [auth J], T [auth j], U [auth K], V [auth k], W [auth L], X [auth l], Y [auth M], Z [auth m]	230	Methanothermobacter thermautotrophicus str. Delta H	Mutation(s): 0
UniProt
Find proteins for O27564 (Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)) Explore O27564 Go to UniProtKB: O27564
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	O27564
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.18 Å
R-Value Free: 0.301
R-Value Work: 0.263
R-Value Observed: 0.264
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 166.339	α = 90
b = 231.68	β = 94.58
c = 197.979	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2015-10-28

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2015-10-28
Type: Initial release
Version 1.1: 2024-02-28
Changes: Data collection, Database references

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.