3C8C

Crystal structure of Mcp_N and cache domains of methyl-accepting chemotaxis protein from Vibrio cholerae

• PDB DOI: https://doi.org/10.2210/pdb3C8C/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Vibrio cholerae O1 biovar El Tor str. N16961
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-02-11 Released: 2008-02-19 
• Deposition Author(s): Patskovsky, Y., Ozyurt, S., Freeman, J., Hu, S., Smith, D., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.235 
• R-Value Work: 0.194 
• R-Value Observed: 0.195 

Literature

Crystal structure of Mcp_N and cache N-terminal domains of methyl-accepting chemotaxis protein from Vibrio cholerae.

Patskovsky, Y., Ozyurt, S., Freeman, J., Hu, S., Smith, D., Bain, K., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 52.84 kDa 
• Atom Count: 4,627 
• Modelled Residue Count: 480 
• Deposited Residue Count: 480 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methyl-accepting chemotaxis protein	A, B	240	Vibrio cholerae O1 biovar El Tor str. N16961	Mutation(s): 0  Gene Names: VCA0923
UniProt
Find proteins for Q9KL26 (Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)) Explore Q9KL26  Go to UniProtKB:  Q9KL26

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ALA	D [auth A], F [auth B]	ALANINE C3 H7 N O2 QNAYBMKLOCPYGJ-REOHCLBHSA-N
MG	C [auth A], E [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.235 
• R-Value Work: 0.194 
• R-Value Observed: 0.195 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 103.202	α = 90
b = 140.942	β = 90
c = 32.221	γ = 90

Software Package:

Software Name	Purpose
SHELX	model building
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-19 
Deposition Author(s): Patskovsky, Y., Ozyurt, S., Freeman, J., Hu, S., Smith, D., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-02-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.5: 2024-11-20
  Changes: Data collection, Database references, Refinement description, Structure summary