3OHE | pdb_00003ohe

Crystal structure of a Histidine triad protein (Maqu_1709) from Marinobacter aquaeolei VT8 at 1.20 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3OHE/pdb

• Classification: HYDROLASE
• Organism(s): Marinobacter nauticus VT8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-08-17 Released: 2010-09-08 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.20 Å
• R-Value Free: 
  0.153 (Depositor), 0.160 (DCC) 
• R-Value Work: 
  0.128 (Depositor), 0.140 (DCC) 
• R-Value Observed: 
  0.129 (Depositor) 

Literature

Crystal structure of a Histidine triad protein (Maqu_1709) from Marinobacter aquaeolei VT8 at 1.20 A resolution

Joint Center for Structural Genomics (JCSG)

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 32.13 kDa 
• Atom Count: 3,000 
• Modeled Residue Count: 274 
• Deposited Residue Count: 274 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histidine triad (HIT) protein	A, B	137	Marinobacter nauticus VT8	Mutation(s): 0  Gene Names: Maqu_1709
UniProt
Find proteins for A1U1C4 (Marinobacter nauticus (strain ATCC 700491 / DSM 11845 / VT8)) Explore A1U1C4  Go to UniProtKB:  A1U1C4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth A], F [auth A], G [auth A], I [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	C [auth A], D [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-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: 1.20 Å
• R-Value Free:  0.153 (Depositor), 0.160 (DCC) 
• R-Value Work:  0.128 (Depositor), 0.140 (DCC) 
• R-Value Observed: 0.129 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M33OHE

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.024	α = 90
b = 80.485	β = 90
c = 99.445	γ = 90

Software Package:

Software Name	Purpose
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-08 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2010-09-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-07-20
  Changes: Structure summary
• Version 1.3: 2017-10-25
  Changes: Author supporting evidence
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.5: 2024-11-20
  Changes: Data collection, Structure summary