2CB1 | pdb_00002cb1

Crystal Structure of O-actetyl Homoserine Sulfhydrylase From Thermus Thermophilus HB8,OAH2.

• PDB DOI: https://doi.org/10.2210/pdb2CB1/pdb

• Classification: LYASE
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-12-28 Released: 2007-01-03 
• Deposition Author(s): Imagawa, T., Utsunomiya, H., Tsuge, H., Ebihara, A., Kanagawa, M., Nakagawa, N., Kuroishi, C., Agari, Y., Kuramitsu, S., Yokoyama, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.234 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.190 (Depositor) 

Starting Model: experimental

Literature

The Crystal Structure of O-Acetyl Homoserine Sulfhydrylase

Imagawa, T., Utsunomiya, H., Agari, Y., Satoh, S., Tsuge, H.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 44.48 kDa 
• Atom Count: 3,221 
• Modelled Residue Count: 405 
• Deposited Residue Count: 412 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
O-ACETYL HOMOSERINE SULFHYDRYLASE	A	412	Thermus thermophilus HB8	Mutation(s): 0  EC: 4.2.99.10 (PDB Primary Data), 2.5.1 (UniProt)
UniProt
Find proteins for Q5SJ58 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SJ58  Go to UniProtKB:  Q5SJ58

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	B [auth A]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.234 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.190 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.986	α = 90
b = 86.392	β = 90
c = 156.138	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-03 
Deposition Author(s): Imagawa, T., Utsunomiya, H., Tsuge, H., Ebihara, A., Kanagawa, M., Nakagawa, N., Kuroishi, C., Agari, Y., Kuramitsu, S., Yokoyama, S.

Revision History  

• Version 1.0: 2007-01-03
  Type: Initial release
  
• Version 1.1: 2015-12-16
  Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Other, Refinement description, Source and taxonomy, Structure summary, Version format compliance
• Version 1.2: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description