1NXH | pdb_00001nxh

X-RAY STRUCTURE: NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET TT87

• PDB DOI: https://doi.org/10.2210/pdb1NXH/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Methanothermobacter thermautotrophicus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-02-10 Released: 2004-02-24 
• Deposition Author(s): Khayat, R., Savchenko, A., Edwards, A., Arowsmith, C., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.319 (Depositor) 
• R-Value Work: 
  0.226 (Depositor) 
• R-Value Observed: 
  0.226 (Depositor) 

Literature

X-RAY STRUCTURE OF MTH396

Khayat, R., Savchenko, A., Edwards, A., Arowsmith, C., Tong, L.

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: 30.43 kDa 
• Atom Count: 2,012 
• Modeled Residue Count: 242 
• Deposited Residue Count: 252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MTH396 protein	A, B	126	Methanothermobacter thermautotrophicus	Mutation(s): 5  Gene Names: MTH396
UniProt
Find proteins for O26496 (Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)) Explore O26496  Go to UniProtKB:  O26496

Small Molecules

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: 2.80 Å
• R-Value Free:  0.319 (Depositor) 
• R-Value Work:  0.226 (Depositor) 
• R-Value Observed: 0.226 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.223	α = 90
b = 80.223	β = 90
c = 106.246	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
SnB	phasing
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-02-24 
Deposition Author(s): Khayat, R., Savchenko, A., Edwards, A., Arowsmith, C., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2004-02-24
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary