SMTL ID : 2isk.3 (3 other biounits)

BluB bound to flavin anion (charge transfer complex)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x FNR: 1-DEOXY-1-(7,8-DIMETHYL-2,4-DIOXO-3,4-DIHYDRO-2H-BENZO[G]PTERIDIN-1-ID-10(5H)-YL)-5-O-PHOSPHONATO-D-RIBITOL(Non-covalent)

FNR.1: 19 residues within 4Å: Chain A: R.33, R.34, D.35, R.37, K.110, L.111, W.168, V.169, S.170, I.171, P.205, L.207 Chain B: P.61, S.62, V.63, G.64, F.65, M.143, S.147 21 PLIP interactions: 3 interactions with chain B, 18 interactions with chain A Hydrophobic interactions: B:V.63, A:W.168, A:W.168 Hydrogen bonds: B:S.62, B:G.64, A:D.35, A:R.37, A:R.37, A:L.111, A:S.170, A:S.170, A:I.171, A:E.206 Water bridges: A:R.33, A:R.37, A:R.37, A:L.207, A:R.215 Salt bridges: A:R.33, A:R.34 pi-Stacking: A:W.168 FNR.2: 19 residues within 4Å: Chain A: P.61, S.62, V.63, G.64, F.65, M.143, Y.146, S.147 Chain B: R.33, R.34, D.35, R.37, L.111, W.168, V.169, S.170, I.171, P.205, L.207 23 PLIP interactions: 18 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:W.168, A:V.63, A:Y.146 Hydrogen bonds: B:D.35, B:D.35, B:R.37, B:L.111, B:S.170, B:S.170, B:I.171, A:S.62, A:S.62, A:G.64 Water bridges: B:R.34, B:R.34, B:R.37, B:R.37, B:E.206, B:R.215, B:R.215 Salt bridges: B:R.33, B:R.34 pi-Stacking: B:W.168

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Taga, M.E. et al., BluB cannibalizes flavin to form the lower ligand of vitamin B12. Nature (2007)

Release Date

2007-03-27

Peptides

BluB: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

BluB

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