1O0X

Crystal structure of Methionine aminopeptidase (TM1478) from Thermotoga maritima at 1.90 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1O0X/pdb

• Classification: HYDROLASE
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2002-09-13 Released: 2002-11-06 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.254 
• R-Value Work: 0.203 
• R-Value Observed: 0.203 

Starting Model: experimental

Literature

Crystal structure of a methionine aminopeptidase (TM1478) from Thermotoga maritima at 1.9 A resolution.

Spraggon, G., Schwarzenbacher, R., Kreusch, A., 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., Kuhn, P., McPhillips, T.M., Miller, M.D., Morse, A., Moy, K., Ouyang, J., Page, R., Quijano, K., Rezezadeh, F., Robb, A., Sims, E., Stevens, R.C., van den Bedem, H., Velasquez, J., Vincent, J., von Delft, F., Wang, X., West, B., Wolf, G., Xu, Q., Hodgson, K.O., Wooley, J., Lesley, S.A., Wilson, I.A.

(2004) Proteins 56: 396-400

• PubMed: 15211524 
• DOI: https://doi.org/10.1002/prot.20084
• Primary Citation of Related Structures:  
  1O0X

---

Organizational Affiliation: 

Joint Center for Structural Genomics, Stanford University, Menlo Park, California, USA.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 28.99 kDa 
• Atom Count: 2,129 
• Modelled Residue Count: 249 
• Deposited Residue Count: 262 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methionine aminopeptidase	A	262	Thermotoga maritima	Mutation(s): 0  Gene Names: TM1478 EC: 3.4.11.18
UniProt
Find proteins for Q9X1I7 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X1I7  Go to UniProtKB:  Q9X1I7

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.254 
• R-Value Work: 0.203 
• R-Value Observed: 0.203 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.58	α = 90
b = 62.58	β = 90
c = 146.13	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
MOSFLM	data reduction
CCP4	data reduction
SCALEPACK	data scaling
SnB	phasing
MLPHARE	phasing
CCP4	model building
SOLVE	phasing
CNS	refinement
CCP4	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-11-06 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2002-11-06
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: 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: 2023-01-25
  Changes: Database references
• Version 1.6: 2023-09-20
  Changes: Data collection, Refinement description