SMTL ID : 6s72.1

Crystal Structure of the Homospermidine Synthase (HSS) variant W229A from Blastochloris viridis in Complex with NAD and PUT

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.87 Å

Oligo State

homo-dimer

Ligands

2 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.1: 34 residues within 4Å: Chain A: I.20, G.21, F.22, G.23, S.24, I.25, G.26, R.27, I.47, D.48, P.49, S.50, A.53, A.68, V.69, T.70, L.94, S.95, V.96, D.97, T.98, T.117, V.118, E.120, G.163, A.164, N.165, P.166, A.232, S.233, G.236, I.353, V.403 Ligands: PUT.2 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:V.403 Hydrogen bonds: A:F.22, A:S.24, A:S.24, A:S.24, A:I.25, A:D.48, A:V.69, A:V.69, A:V.96, A:T.117, A:G.163, A:A.164, A:N.165, A:P.166, A:S.233 Water bridges: A:G.26, A:S.50, A:V.118, A:E.120, A:E.120, A:G.236, A:E.240 NAD.3: 33 residues within 4Å: Chain B: I.20, G.21, F.22, G.23, S.24, I.25, G.26, R.27, I.47, D.48, P.49, S.50, A.53, A.68, V.69, T.70, L.94, S.95, V.96, D.97, T.98, T.117, V.118, E.120, G.163, A.164, N.165, P.166, A.232, S.233, G.236, I.353, V.403 22 PLIP interactions: 22 interactions with chain B Hydrophobic interactions: B:V.403 Hydrogen bonds: B:S.24, B:S.24, B:S.24, B:I.25, B:D.48, B:V.69, B:V.69, B:V.96, B:T.117, B:G.163, B:A.164, B:N.165, B:P.166, B:S.233, B:S.233 Water bridges: B:G.23, B:V.118, B:E.120, B:E.120, B:G.236, B:E.240

1 x PUT: 1,4-DIAMINOBUTANE(Non-covalent)

PUT.2: 15 residues within 4Å: Chain A: A.164, N.165, E.213, A.232, F.237, E.240, H.299, Y.326, Y.328, D.364, L.366, T.399, Q.402, V.403 Ligands: NAD.1 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.165, A:E.213, A:Y.326, A:Y.328 Water bridges: A:T.399

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Helfrich, F. et al., Structural and catalytic characterization of Blastochloris viridis and Pseudomonas aeruginosa homospermidine synthases supports the essential role of cation-pi interaction. Acta Crystallogr D Struct Biol (2021)

Release Date

2020-07-15

Peptides

Homospermidine synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Homospermidine synthase