2AH6 | pdb_00002ah6

Crystal structure of a putative cobalamin adenosyltransferase (bh1595) from bacillus halodurans c-125 at 1.60 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2AH6/pdb

• Classification: TRANSFERASE
• Organism(s): Halalkalibacterium halodurans C-125
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-07-27 Released: 2005-08-16 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.179 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.150 (Depositor), 0.160 (DCC) 

Starting Model: experimental

Literature

Crystal structure of hypothetical protein (10174212) from BACILLUS HALODURANS at 1.60 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content 

• Total Structure Weight: 72.47 kDa 
• Atom Count: 4,371 
• Modeled Residue Count: 475 
• Deposited Residue Count: 624 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BH1595, unknown conserved protein	A, B, C	208	Halalkalibacterium halodurans C-125	Mutation(s): 3  Gene Names: 10174212 EC: 2.5.1.17
UniProt
Find proteins for Q9KCH6 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9KCH6  Go to UniProtKB:  Q9KCH6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	E [auth B], F [auth B], G [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NO3	D [auth B], H [auth C], I [auth C]	NITRATE ION N O3 NHNBFGGVMKEFGY-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free:  0.179 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.150 (Depositor), 0.160 (DCC) 

Diffraction Data: https://doi.org/10.18430/M32AH6

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.61	α = 90
b = 84.38	β = 90
c = 113.48	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-16 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-08-16
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.4: 2023-09-20
  Changes: Data collection, Refinement description
• Version 1.5: 2023-11-15
  Changes: Data collection
• Version 1.6: 2024-11-13
  Changes: Structure summary