SMTL ID : 3m82.1

Crystal structure of Acetyl xylan esterase (TM0077) from THERMOTOGA MARITIMA at 2.40 A resolution (PMSF inhibitor complex structure)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 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.6: 2 residues within 4Å: Chain B: K.34, E.38 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:K.34, B:E.38, B:E.38, H2O.9 CA.9: 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.14, H2O.18 CA.11: 2 residues within 4Å: Chain D: E.57, D.70 5 PLIP interactions: 2 interactions with chain D, 3 Ligand-Water interactions Metal complexes: D:E.57, D:D.70, H2O.20, H2O.22, H2O.22 CA.12: 2 residues within 4Å: Chain D: K.34, E.38 4 PLIP interactions: 3 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:K.34, D:E.38, D:E.38, H2O.21 CA.13: 2 residues within 4Å: Chain E: K.34, E.38 4 PLIP interactions: 3 interactions with chain E, 1 Ligand-Water interactions Metal complexes: E:K.34, E:E.38, E:E.38, H2O.27 CA.16: 2 residues within 4Å: Chain F: K.34, E.38 4 PLIP interactions: 3 interactions with chain F, 1 Ligand-Water interactions Metal complexes: F:K.34, F:E.38, F:E.38, H2O.33

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

ACT.3: 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 9 PLIP interactions: 5 interactions with chain A, 4 interactions with chain C Hydrophobic interactions: A:Q.152, C:F.156 Hydrogen bonds: A:Q.152, A:Q.152, A:G.155, C:Q.152, C:G.155 Salt bridges: A:R.159, C:R.159 ACT.7: 9 residues within 4Å: Chain B: Q.152, P.154, G.155, R.159 Chain D: Q.152, P.154, G.155, F.156, R.159 7 PLIP interactions: 4 interactions with chain D, 3 interactions with chain B Hydrophobic interactions: D:F.156 Hydrogen bonds: D:Q.152, D:G.155, B:Q.152, B:G.155 Salt bridges: D:R.159, B:R.159 ACT.14: 9 residues within 4Å: Chain E: Q.152, P.154, G.155, F.156, R.159 Chain F: Q.152, P.154, G.155, R.159 8 PLIP interactions: 4 interactions with chain E, 4 interactions with chain F Hydrophobic interactions: E:F.156, F:Q.152 Hydrogen bonds: E:Q.152, E:G.155, F:Q.152, F:G.155 Salt bridges: E:R.159, F:R.159

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

EDO.4: 5 residues within 4Å: Chain A: E.46, Y.76, R.77, E.146, R.170 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.46, A:R.77, A:E.146 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:G.199, A:G.199 EDO.8: 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.10: 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:D.222 EDO.15: 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.17: 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:D.222

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

2010-05-26

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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