1O4S

Crystal structure of Aspartate aminotransferase (TM1255) from Thermotoga maritima at 1.90 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1O4S/pdb

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


• Deposited: 2003-06-26 Released: 2003-07-08 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.200 
• R-Value Work: 0.159 
• R-Value Observed: 0.160 

Starting Model: experimental

Literature

Crystal structure of an aspartate aminotransferase (TM1255) from Thermotoga maritima at 1.90 A resolution

Schwarzenbacher, R., Jaroszewski, L., von Delft, F., Abdubek, P., Ambing, E., Biorac, T., Brinen, L.S., Canaves, J.M., Cambell, J., Chiu, H.J., Dai, X., Deacon, A.M., DiDonato, M., Elsliger, M.A., Eshagi, S., Floyd, R., Godzik, A., Grittini, C., Grzechnik, S.K., Hampton, E., Karlak, C., Klock, H.E., Koesema, E., Kovarik, J.S., Kreusch, A., Kuhn, P., Lesley, S.A., Levin, I., McMullan, D., 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., Wang, X., West, B., Wolf, G., Xu, Q., Hodgson, K.O., Wooley, J., Wilson, I.A.

(2004) Proteins 55: 759-763

• PubMed: 15103638 
• DOI: https://doi.org/10.1002/prot.10646
• Primary Citation of Related Structures:  
  1O4S

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Organizational Affiliation: 

Joint Center for Structural Genomics, La Jolla, CA 92037, 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 (software)

Macromolecule Content

• Total Structure Weight: 89.23 kDa 
• Atom Count: 6,699 
• Modelled Residue Count: 759 
• Deposited Residue Count: 778 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aspartate aminotransferase	A, B	389	Thermotoga maritima	Mutation(s): 0  Gene Names: TM1255 EC: 2.6.1.1
UniProt
Find proteins for Q9X0Y2 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X0Y2  Go to UniProtKB:  Q9X0Y2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	J [auth A], M [auth B]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N
SO4	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], K [auth B], L [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.200 
• R-Value Work: 0.159 
• R-Value Observed: 0.160 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M31O4S

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.048	α = 90
b = 79.509	β = 90
c = 170.184	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-07-08 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2003-07-08
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, 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, Derived calculations
• Version 1.6: 2023-09-20
  Changes: Data collection, Refinement description