SMTL ID : 3m81.1

Crystal structure of Acetyl xylan esterase (TM0077) from THERMOTOGA MARITIMA at 2.50 A resolution (native apo structure)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-hexamer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 2 residues within 4Å: Chain A: E.57, D.70 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.57, A:D.70, H2O.1, H2O.1 CA.2: 2 residues within 4Å: Chain A: K.34, E.38 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:K.34, A:E.38, A:E.38, H2O.2 CA.7: 2 residues within 4Å: Chain B: K.34, E.38 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:K.34, B:E.38, B:E.38, H2O.6, H2O.8 CA.10: 2 residues within 4Å: Chain C: K.34, E.38 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:K.34, C:E.38, C:E.38, H2O.9, H2O.11 CA.13: 2 residues within 4Å: Chain D: E.57, D.70 3 PLIP interactions: 2 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:E.57, D:D.70, H2O.12 CA.14: 1 residues within 4Å: Chain D: K.34 3 PLIP interactions: 1 interactions with chain D, 2 Ligand-Water interactions Metal complexes: D:K.34, H2O.12, H2O.15 CA.18: 2 residues within 4Å: Chain E: K.34, E.38 3 PLIP interactions: 3 interactions with chain E Metal complexes: E:K.34, E:E.38, E:E.38 CA.22: 2 residues within 4Å: Chain F: K.34, E.38 3 PLIP interactions: 3 interactions with chain F Metal complexes: F:K.34, F:E.38, F:E.38

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

CL.3: 3 residues within 4Å: Chain A: Y.104, S.200, Q.201 Ligand excluded by PLIP CL.8: 3 residues within 4Å: Chain B: Y.104, S.200, Q.201 Ligand excluded by PLIP CL.11: 3 residues within 4Å: Chain C: Y.104, S.200, Q.201 Ligand excluded by PLIP CL.15: 3 residues within 4Å: Chain D: Y.104, S.200, Q.201 Ligand excluded by PLIP CL.19: 3 residues within 4Å: Chain E: Y.104, S.200, Q.201 Ligand excluded by PLIP CL.23: 3 residues within 4Å: Chain F: Y.104, S.200, Q.201 Ligand excluded by PLIP

3 x ACT: ACETATE ION(Non-functional Binders)

ACT.4: 9 residues within 4Å: Chain A: Q.152, P.154, G.155, R.159 Chain C: Q.152, P.154, G.155, F.156, R.159 8 PLIP interactions: 4 interactions with chain C, 4 interactions with chain A Hydrophobic interactions: C:F.156 Hydrogen bonds: C:Q.152, C:G.155, A:Q.152, A:Q.152, A:G.155 Salt bridges: C:R.159, A:R.159 ACT.16: 8 residues within 4Å: Chain B: Q.152, P.154, G.155, R.159 Chain D: Q.152, P.154, G.155, R.159 7 PLIP interactions: 3 interactions with chain D, 4 interactions with chain B Hydrogen bonds: D:Q.152, D:G.155, B:Q.152, B:Q.152, B:G.155 Salt bridges: D:R.159, B:R.159 ACT.20: 9 residues within 4Å: Chain E: Q.152, P.154, G.155, R.159 Chain F: Q.152, P.154, G.155, F.156, R.159 7 PLIP interactions: 3 interactions with chain E, 4 interactions with chain F Hydrogen bonds: E:Q.152, E:G.155, F:Q.152, F:G.155 Salt bridges: E:R.159, F:R.159 Hydrophobic interactions: F:F.156

7 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.5: 7 residues within 4Å: Chain A: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.100, A:W.117 Water bridges: A:Y.101, A:G.199 EDO.6: 4 residues within 4Å: Chain A: Y.122, R.193, K.331, F.334 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.193 EDO.9: 7 residues within 4Å: Chain B: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.100, B:W.117, B:G.198 Water bridges: B:G.199 EDO.12: 7 residues within 4Å: Chain C: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:Q.100, C:W.117, C:G.198 EDO.17: 7 residues within 4Å: Chain D: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:Q.100, D:W.117, D:G.198 Water bridges: D:G.199 EDO.21: 7 residues within 4Å: Chain E: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 4 PLIP interactions: 4 interactions with chain E Hydrogen bonds: E:Q.100, E:W.117, E:G.198 Water bridges: E:G.199 EDO.24: 7 residues within 4Å: Chain F: Q.100, W.117, A.197, G.198, G.199, D.222, Q.326 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:Q.100, F:W.117, F:G.198 Water bridges: F:G.199

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Levisson, M. et al., Functional and structural characterization of a thermostable acetyl esterase from Thermotoga maritima. Proteins (2012)

Release Date

2010-04-21

Peptides

Acetyl xylan esterase: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Acetyl xylan esterase

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