SMTL ID : 8swp.2 (1 other biounit)

Structure of K. lactis PNP bound to hypoxanthine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-trimer

Ligands

2 x HPA: HYPOXANTHINE(Non-covalent)

HPA.1: 13 residues within 4Å: Chain A: A.130, A.131, G.132, F.214, E.215, V.231, G.232, M.233, T.256, N.257, C.259, V.285 Ligands: ACT.2 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.215, A:N.257, A:N.257 Water bridges: A:E.215, A:E.215 pi-Stacking: A:F.214 HPA.4: 12 residues within 4Å: Chain B: A.130, A.131, G.132, F.214, E.215, V.231, G.232, M.233, T.256, N.257, C.259 Ligands: ACT.3 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:E.215, B:N.257, B:N.257 Water bridges: B:E.215, B:E.215 pi-Stacking: B:F.214

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 5 residues within 4Å: Chain A: M.233, H.282, V.285 Chain C: F.173 Ligands: HPA.1 2 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:F.173 Salt bridges: A:H.282 ACT.3: 6 residues within 4Å: Chain A: F.173 Chain B: F.214, M.233, H.282, V.285 Ligands: HPA.4 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:F.173 Salt bridges: B:H.282

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Minnow, Y.V.T. et al., Phosphate Binding in PNP Alters Transition-State Analogue Affinity and Subunit Cooperativity. Biochemistry (2023)

Release Date

2023-10-18

Peptides

Purine nucleoside phosphorylase: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
F

Purine nucleoside phosphorylase

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