SMTL ID : 6sao.1

Structural and functional characterisation of three novel fungal amylases with enhanced stability and pH tolerance

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

monomer

Ligands

1 x BGC- GLC- AC1- GLC- AC1: 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose

BGC-GLC-AC1-GLC-AC1.1: 21 residues within 4Å: Chain A: H.72, Y.74, W.75, H.114, Y.142, A.154, D.156, R.188, D.190, T.191, K.193, H.194, E.214, F.216, D.217, G.218, Y.240, Q.279, D.280, D.323, R.327 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.75, A:A.154 Hydrogen bonds: A:D.323, A:D.217, A:G.218, A:R.327, A:R.327 Water bridges: A:D.156, A:D.156, A:D.156, A:D.217, A:Y.71

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.2: 4 residues within 4Å: Chain A: N.144, T.146, S.147, C.151 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.144

6 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 2 residues within 4Å: Chain A: S.169, H.172 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.169 Water bridges: A:S.169, A:H.172 Salt bridges: A:H.172 SO4.4: 2 residues within 4Å: Chain A: C.138, T.139 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.139, A:T.139, A:D.155 SO4.5: 3 residues within 4Å: Chain A: V.168, R.196, F.199 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.196 SO4.8: 3 residues within 4Å: Chain A: T.67, D.68, K.77 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.68 Water bridges: A:S.119 Salt bridges: A:K.77 SO4.9: 3 residues within 4Å: Chain A: Y.35, D.68, N.85 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.69, A:N.85 Water bridges: A:Y.35, A:N.66, A:D.68, A:G.70 SO4.10: 5 residues within 4Å: Chain A: G.367, T.368, N.369, T.370, Y.385 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:T.368, A:T.368, A:T.368, A:N.369, A:T.370, A:T.370, A:Y.385

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

EDO.6: 5 residues within 4Å: Chain A: G.251, F.252, S.253, G.367, T.368 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.252, A:S.253, A:G.367 EDO.7: 3 residues within 4Å: Chain A: L.259, S.260, L.362 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:L.259 Water bridges: A:S.260, A:L.362

1 x CA: CALCIUM ION(Non-covalent)

CA.11: 4 residues within 4Å: Chain A: N.113, E.149, D.159, H.194 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.149, A:D.159, A:H.194, H2O.9, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Roth, C. et al., Structural and Functional Characterization of Three Novel Fungal Amylases with Enhanced Stability and pH Tolerance. Int J Mol Sci (2019)

Release Date

2019-10-23

Peptides

amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

amylase