1O22

Crystal structure of an orphan protein (TM0875) from Thermotoga maritima at 2.00 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1O22/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-02-15 Released: 2003-04-01 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.182 
• R-Value Observed: 0.186 

Literature

Crystal structure of an orphan protein (TM0875) from Thermotoga maritima at 2.00-A resolution reveals a new fold.

Bakolitsa, C., Schwarzenbacher, R., McMullan, D., Brinen, L.S., Canaves, J.M., Dai, X., Deacon, A.M., Elsliger, M.A., Eshagi, S., Floyd, R., Godzik, A., Grittini, C., Grzechnik, S.K., Jaroszewski, L., Karlak, C., Klock, H.E., Koesema, E., Kovarik, J.S., Kreusch, A., Kuhn, P., Lesley, S.A., McPhillips, T.M., Miller, M.D., Morse, A., Moy, K., Ouyang, J., Page, R., Quijano, K., Robb, A., Spraggon, G., Stevens, R.C., van den Bedem, H., Velasquez, J., Vincent, J., von Delft, F., Wang, X., West, B., Wolf, G., Hodgson, K.O., Wooley, J., Wilson, I.A.

(2004) Proteins 56: 607-610

• PubMed: 15229892 
• DOI: https://doi.org/10.1002/prot.20138
• Primary Citation of Related Structures:  
  1O22

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Organizational Affiliation: 

The Burnham Institute, La Jolla, California, USA.

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,PQS (software)

Macromolecule Content

• Total Structure Weight: 20.34 kDa 
• Atom Count: 1,345 
• Modelled Residue Count: 149 
• Deposited Residue Count: 170 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
orphan protein TM0875	A	170	Thermotoga maritima	Mutation(s): 5  Gene Names: TM0875
UniProt
Find proteins for Q9WZX8 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9WZX8  Go to UniProtKB:  Q9WZX8

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.182 
• R-Value Observed: 0.186 
• Space Group: P 4₃ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/M31O22

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.41	α = 90
b = 58.41	β = 90
c = 102.49	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
RESOLVE	model building
SOLVE	phasing
CNS	refinement
XFIT	data reduction
MOSFLM	data reduction
CCP4	data scaling
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-04-01 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2003-04-01
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2018-07-18
  Changes: Data collection, Database references
• Version 1.5: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.6: 2023-01-25
  Changes: Database references
• Version 1.7: 2024-10-30
  Changes: Data collection, Structure summary