SMTL ID : 2v3n.1

Crystallographic analysis of upper axial ligand substitutions in cobalamin bound to transcobalamin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.73 Å

Oligo State

monomer

Ligands

1 x B12: COBALAMIN(Non-covalent)

B12.1: 33 residues within 4Å: Chain A: G.85, Q.86, L.89, T.134, Y.137, Q.138, 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: CYN.2, CL.3 33 PLIP interactions: 32 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:Q.86, A:L.89, A:Y.137, A:Y.137, A:D.179, A:F.367, A:F.367, A:F.381, A:F.381, A:F.381, A:W.414 Hydrogen bonds: A:Q.86, A:T.134, A:Q.138, A:D.179, A:N.227, A:N.227, A:Y.229, A:Q.276, A:Q.276, A:L.363, A:S.364, A:L.368, A:L.368, A:V.384, A:V.384, A:L.392 Water bridges: A:Y.137, A:Y.137, A:N.270, A:S.364, A:W.382 Metal complexes: B12.1

1 x CYN: CYANIDE ION(Non-functional Binders)

CYN.2: 1 residues within 4Å: Ligands: B12.1 No protein-ligand interaction detected (PLIP)

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

CL.3: 6 residues within 4Å: Chain A: Y.229, T.267, Q.269, N.270, Q.394 Ligands: B12.1 Ligand excluded by PLIP CL.4: 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.5: 2 residues within 4Å: Chain A: R.108, Q.112 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wuerges, J. et al., Vitamin B12 Transport Proteins: Crystallographic Analysis of Beta-Axial Ligand Substitutions in Cobalamin Bound to Transcobalamin. Iubmb Life (2007)

Release Date

2007-10-30

Peptides

TRANSCOBALAMIN-2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

TRANSCOBALAMIN-2

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