SMTL ID : 3h2w.1

Structure of A. acidocaldarius cellulase CelA in complex with cellobiose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.66 Å

Oligo State

monomer

Ligands

1 x GLC- BGC: beta-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-BGC.1: 14 residues within 4Å: Chain A: D.143, A.144, D.146, Y.150, F.221, G.298, Y.300, W.343, W.401, Y.511, E.515, Y.519, W.520 Ligands: BGC.2 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.343, A:D.146, A:G.298, A:Y.300, A:Y.511, A:Y.519

1 x BGC: beta-D-glucopyranose(Non-covalent)

BGC.2: 6 residues within 4Å: Chain A: F.221, H.461, R.463, Y.511, E.515 Ligands: GLC-BGC.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.461, A:R.463, A:R.463, A:E.515

1 x CA: CALCIUM ION(Non-covalent)

CA.3: 5 residues within 4Å: Chain A: D.302, E.304, D.307, E.308, A.344 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.302, A:E.304, A:D.307, A:E.308, A:A.344

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 4 residues within 4Å: Chain A: C.104, C.121, H.122, H.142 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.104, A:C.121, A:H.122, A:H.142

2 x CO: COBALT (II) ION(Non-covalent)

CO.5: 4 residues within 4Å: Chain A: S.465, D.468, V.470, D.471 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:S.465, A:D.468, A:V.470 CO.6: 2 residues within 4Å: Chain A: A.467, D.469 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.469

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Eckert, K. et al., Crystal structures of A. acidocaldarius endoglucanase Cel9A in complex with Cello-oligosaccharides: strong -1 and -2 subsites mimic cellobiohydrolase activity. J.Mol.Biol. (2009)

Release Date

2009-10-13

Peptides

Cellulase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cellulase

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