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Crystal structure of yeast pyridoxal 5-phosphate synthase Snz1 complexed with substrate G3P

Source organism: Saccharomyces cerevisiae
Biochemical function: pyridoxal 5'-phosphate synthase (glutamine hydrolysing) activity
Biological process: organic hydroxy compound biosynthetic process
Cellular component: glutaminase complex

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EC 4.3.3.6: Pyridoxal 5'-phosphate synthase (glutamine hydrolyzing)

Reaction catalysed:
(1a) L-glutamine + H(2)O = L-glutamate + NH(3)
Systematic name:
D-ribose 5-phosphate,D-glyceraldehyde 3-phosphate pyridoxal 5'-phosphate-lyase
Alternative Name(s):
  • PdxST

GO terms

Sequence family

Pfam Protein family (Pfam)
PF01680
Domain description: SOR/SNZ family
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1
The deposited structure of PDB entry 3o07 contains 3 copies of Pfam domain PF01680 (SOR/SNZ family) in Pyridoxal 5'-phosphate synthase subunit SNZ1. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR001852
Domain description: Pyridoxal 5'-phosphate synthase subunit PdxS/SNZ
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1
IPR011060
Domain description: Ribulose-phosphate binding barrel
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1
IPR033755
Domain description: PdxS/SNZ N-terminal domain
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1
IPR013785
Domain description: Aldolase-type TIM barrel
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1

Structure domain

CATH CATH domain
3.20.20.70
Class: Alpha Beta
Architecture: Alpha-Beta Barrel
Topology: TIM Barrel
Homology: Aldolase class I
Occurring in:
  1. Pyridoxal 5'-phosphate synthase subunit SNZ1
The deposited structure of PDB entry 3o07 contains 3 copies of CATH domain 3.20.20.70 (TIM Barrel) in Pyridoxal 5'-phosphate synthase subunit SNZ1. Showing 1 copy in chain A.

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