3MXQ | pdb_00003mxq

Crystal structure of sensory box sensor histidine kinase from Vibrio cholerae

PDB DOI: https://doi.org/10.2210/pdb3MXQ/pdb

Classification: TRANSFERASE
Organism(s): Vibrio cholerae O1 biovar El Tor str. N16961
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2010-05-07 Released: 2010-05-26
Deposition Author(s): Chang, C., Wu, R., Freeman, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.78 Å
R-Value Free:
0.257 (Depositor), 0.250 (DCC)
R-Value Work:
0.225 (Depositor), 0.238 (DCC)
R-Value Observed:
0.227 (Depositor)

wwPDB Validation 3D Report Full Report

Validation slider image for 3MXQ

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

Literature

Crystal structure of sensory box sensor histidine kinase from Vibrio cholerae

Chang, C., Wu, R., Freeman, L., Joachimiak, A.

To be published.

Macromolecule Content

Total Structure Weight: 71.39 kDa
Atom Count: 3,778
Modeled Residue Count: 487
Deposited Residue Count: 608
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sensor protein	A, B, C, D	152	Vibrio cholerae O1 biovar El Tor str. N16961	Mutation(s): 0 Gene Names: VC_1084 EC: 2.7.13.3
UniProt
Find proteins for Q9KT21 (Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)) Explore Q9KT21 Go to UniProtKB: Q9KT21
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9KT21
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE Query on MSE	A, B, C, D	L-PEPTIDE LINKING	C₅ H₁₁ N O₂ Se		MET

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.78 Å
R-Value Free: 0.257 (Depositor), 0.250 (DCC)
R-Value Work: 0.225 (Depositor), 0.238 (DCC)
R-Value Observed: 0.227 (Depositor)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.237	α = 90
b = 102.202	β = 100.12
c = 124.969	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	model building
RESOLVE	model building
Coot	model building
ARP/wARP	model building
CNS	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing

Structure Validation

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View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2010-05-26

Deposition Author(s):

Midwest Center for Structural Genomics (MCSG)

Revision History (Full details and data files)

Version 1.0: 2010-05-26
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2017-11-08
Changes: Refinement description
Version 1.3: 2019-07-17
Changes: Data collection, Derived calculations, Refinement description
Version 1.4: 2024-10-16
Changes: Data collection, Database references, Derived calculations, Structure summary

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.