SMTL ID : 2bbc.1

Structure of Cobalamin-complexed Bovine Transcobalamin in trigonal crystal form

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

monomer

Ligands

3 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 6 residues within 4Å: Chain A: Y.229, T.267, Q.269, N.270, Q.394 Ligands: B12.4 Ligand excluded by PLIP CL.2: 7 residues within 4Å: Chain A: R.356, F.357, R.358, S.370, V.371, L.372, G.373 Ligand excluded by PLIP CL.3: 3 residues within 4Å: Chain A: R.108, Q.112, R.115 Ligand excluded by PLIP

1 x B12: COBALAMIN(Non-covalent)

B12.4: 35 residues within 4Å: Chain A: G.85, Q.86, T.134, S.135, Y.137, Q.138, L.141, H.175, V.176, D.179, N.227, Y.229, S.230, L.233, N.270, M.273, Q.276, S.362, L.363, S.364, G.365, P.366, F.367, L.368, F.381, W.382, Q.383, V.384, P.391, L.392, Q.393, Q.394, G.395, W.414 Ligands: CL.1 38 PLIP interactions: 37 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:Q.86, A:Y.137, A:Y.137, A:V.176, A:D.179, A:Y.229, A:F.367, A:F.367, A:F.381, A:F.381, A:W.414 Hydrogen bonds: A:Q.86, A:T.134, A:S.135, A:Q.138, A:D.179, A:D.179, A:D.179, A:N.227, A:Y.229, A:Q.276, A:L.363, A:S.364, A:S.364, A:S.364, A:L.368, A:L.368, A:V.384, A:V.384 Water bridges: A:Y.137, A:Y.137, A:N.270, A:W.382, A:Q.383, A:Q.383, A:G.395 Metal complexes: A:H.175, B12.4

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wuerges, J. et al., Structural basis for mammalian vitamin B12 transport by transcobalamin. Proc.Natl.Acad.Sci.Usa (2006)

Release Date

2006-04-04

Peptides

Transcobalamin II: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Transcobalamin II

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