SMTL ID : 2gk1.5 (5 other biounits)

X-ray crystal structure of NGT-bound HexA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.25 Å

Oligo State

hetero-2-2-2-2-2-mer

Ligands

4 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 5 residues within 4Å: Chain A: S.11, D.12, Q.13, R.14 Chain B: N.69 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 5 residues within 4Å: Chain C: P.5, M.16, T.17, P.18 Chain D: N.69 No protein-ligand interaction detected (PLIP) NAG-NAG.3: 3 residues within 4Å: Chain G: V.25, N.27, E.42 No protein-ligand interaction detected (PLIP) NAG-NAG.5: 4 residues within 4Å: Chain H: M.16, P.18, L.20 Chain I: N.69 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.4: 5 residues within 4Å: Chain F: T.10, S.11, D.12 Chain G: W.59, N.69 1 PLIP interactions: 1 interactions with chain G Hydrophobic interactions: G:W.59

4 x NGT: 3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL(Non-covalent)

NGT.6: 11 residues within 4Å: Chain B: R.90, D.119, H.174, D.234, E.235, W.285, Y.333, N.335, W.372, E.374 Chain E: Y.141 7 PLIP interactions: 1 interactions with chain E, 6 interactions with chain B Hydrogen bonds: E:Y.141, B:R.90, B:H.174, B:H.174, B:E.374 Hydrophobic interactions: B:W.285, B:W.372 NGT.7: 11 residues within 4Å: Chain D: R.90, H.173 Chain E: D.39, E.40, W.90, W.109, Y.135, D.137, L.138, W.174, E.176 7 PLIP interactions: 1 interactions with chain D, 6 interactions with chain E Hydrogen bonds: D:R.90, E:D.39, E:D.39, E:D.137 Hydrophobic interactions: E:W.90, E:W.109, E:W.174 NGT.8: 9 residues within 4Å: Chain G: R.90, H.174, D.234, E.235, W.285, W.304, Y.333, W.372, E.374 6 PLIP interactions: 6 interactions with chain G Hydrophobic interactions: G:W.285, G:W.372 Hydrogen bonds: G:R.90, G:R.90, G:D.119, G:E.374 NGT.9: 9 residues within 4Å: Chain G: Y.339 Chain J: D.39, E.40, W.109, Y.135, D.137, L.138, W.174, E.176 4 PLIP interactions: 1 interactions with chain G, 2 interactions with chain J, 1 interactions with chain I Hydrogen bonds: G:Y.339, J:E.176, I:R.90 Hydrophobic interactions: J:W.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lemieux, M.J. et al., Crystallographic Structure of Human beta-Hexosaminidase A: Interpretation of Tay-Sachs Mutations and Loss of G(M2) Ganglioside Hydrolysis. J.Mol.Biol. (2006)

Release Date

2006-05-30

Peptides

Beta-hexosaminidase subunit alpha: AF
Beta-hexosaminidase subunit alpha: BG
Beta-hexosaminidase subunit beta: CH
Beta-hexosaminidase subunit beta chain B: DI
Beta-hexosaminidase subunit beta chain A: EJ

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

F
G

B
K

G
L

C
F

H
H

D
Q

I
S

E
R

J
T

Beta-hexosaminidase subunit alpha

Beta-hexosaminidase subunit alpha

Beta-hexosaminidase subunit beta

Beta-hexosaminidase subunit beta chain B

Beta-hexosaminidase subunit beta chain A

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