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THE THREE-DIMENSIONAL STRUCTURE OF ATP:CORRINOID ADENOSYLTRANSFERASE FROM SALMONELLA TYPHIMURIUM. APO-ATP FORM

X-ray diffraction
1.8Å resolution
PDB entry 1g5t coloured by chain, front view.
PDB entry 1g5t coloured by chain, side view.
PDB entry 1g5t coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Corrinoid adenosyltransferase CobA
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Multimeric state: homo dimer
Accessible surface area: 16229.82 Å2
Buried surface area: 1902.81 Å2
Dissociation area: 260.91 Å2
Dissociation energy (ΔGdiss): -9.02 kcal/mol
Dissociation entropy (TΔSdiss): 11.76 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-152035
Assembly 2
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Assembly Name: Corrinoid adenosyltransferase CobA
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Multimeric state: homo dimer
Accessible surface area: 13536.11 Å2
Buried surface area: 4598.67 Å2
Dissociation area: 1,616.08 Å2
Dissociation energy (ΔGdiss): 15.72 kcal/mol
Dissociation entropy (TΔSdiss): 12.27 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-152035

Macromolecules

Corrinoid adenosyltransferase CobA
Chain: A
Length: 196 amino acids
Theoretical weight: 21.75 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P31570 (Residues: 1-196; Coverage: 100%)
Gene names: STM1718, btuR, cobA
Pfam: ATP:corrinoid adenosyltransferase BtuR/CobO/CobP
InterPro:
CATH: P-loop containing nucleotide triphosphate hydrolases
SCOP: RecA protein-like (ATPase-domain)
Corrinoid adenosyltransferase CobA in PDB entry 1g5t, assembly 1, front view.
Corrinoid adenosyltransferase CobA in PDB entry 1g5t, assembly 1, side view.
Corrinoid adenosyltransferase CobA in PDB entry 1g5t, assembly 1, top view.
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