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PDBsum entry 3oa8
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protein ligands Protein-protein interface(s) links
Heme-binding protein/heme-binding protei PDB id
3oa8

 

 

 

 

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Contents
Protein chains
229 a.a.
180 a.a.
Ligands
HEC ×6
SO4
Waters ×833
PDB id:
3oa8
Name: Heme-binding protein/heme-binding protei
Title: Diheme soxax
Structure: Soxa. Chain: a, c, e. Engineered: yes. Soxx. Chain: b, d, f. Engineered: yes
Source: Starkeya novella. Organism_taxid: 921. Expressed in: rhodobacter capsulatus. Expression_system_taxid: 1061. Expression_system_taxid: 1061
Resolution:
1.77Å     R-factor:   0.185     R-free:   0.230
Authors: M.J.Maher
Key ref: J.Kilmartin et al. Diheme soxax proteins - Insights into structure and f of the active site. To be published, .
Date:
04-Aug-10     Release date:   18-May-11    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chains
Pfam   ArchSchema ?
D7A6E5  (SOXA_ANCN5) -  L-cysteine S-thiosulfotransferase subunit SoxA from Ancylobacter novellus (strain ATCC 8093 / DSM 506 / JCM 20403 / CCM 1077 / IAM 12100 / NBRC 12443 / NCIMB 10456)
Seq:
Struc: 		275 a.a.
229 a.a.
Protein chains
Pfam   ArchSchema ?
Q7BQR5  (Q7BQR5_ANCNO) -  SoxX from Ancylobacter novellus
Seq:
Struc: 		208 a.a.
180 a.a.
Key:    PfamA domain  Secondary structure  CATH domain

 Enzyme reactions 
   Enzyme class: Chains A, C, E: E.C.2.8.5.2  - L-cysteine S-thiosulfotransferase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction:
1. L-cysteinyl-[SoxY protein] + thiosulfate + 2 Fe(III)-[cytochrome c] = S-sulfosulfanyl-L-cysteinyl-[SoxY protein] + 2 Fe(II)-[cytochrome c] + 2 H+
2. S-sulfanyl-L-cysteinyl-[SoxY protein] + thiosulfate + 2 Fe(III)- [cytochrome c] = S-(2-sulfodisulfanyl)-L-cysteinyl-[SoxY protein] + 2 Fe(II)-[cytochrome c] + 2 H+
L-cysteinyl-[SoxY protein]
 +
thiosulfate
Bound ligand (Het Group name = SO4)
matches with 66.67% similarity 		+ 2 × Fe(III)-[cytochrome c]
Bound ligand (Het Group name = HEC)
matches with 63.64% similarity 		= S-sulfosulfanyl-L-cysteinyl-[SoxY protein]
 + 2 × Fe(II)-[cytochrome c]
 + 2 × H(+)
S-sulfanyl-L-cysteinyl-[SoxY protein]
 +
thiosulfate
Bound ligand (Het Group name = SO4)
matches with 66.67% similarity 		+ 2 × Fe(III)- [cytochrome c]
Bound ligand (Het Group name = HEC)
matches with 63.64% similarity 		= S-(2-sulfodisulfanyl)-L-cysteinyl-[SoxY protein]
 + 2 × Fe(II)-[cytochrome c]
 + 2 × H(+)
Molecule diagrams generated from .mol files obtained from the KEGG ftp site

 

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