SMTL ID : 1nou.2 (1 other biounit)

Native human lysosomal beta-hexosaminidase isoform B

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 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: M.16, T.17, P.18, L.20, N.141 No protein-ligand interaction detected (PLIP) NAG-NAG.4: 5 residues within 4Å: Chain B: M.16, T.17, P.18, L.20, N.141 No protein-ligand interaction detected (PLIP)

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

SO4.2: 2 residues within 4Å: Chain A: R.323, Q.324 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.324 Water bridges: A:R.323, A:R.323 Salt bridges: A:R.323 SO4.5: 2 residues within 4Å: Chain B: R.323, Q.324 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.324 Water bridges: B:R.323, B:R.323 Salt bridges: B:R.323

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 9 residues within 4Å: Chain A: G.408, Q.409, D.410, W.411, P.455, R.456, Q.495, P.496, L.497 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.408, A:D.410, A:D.410, A:W.411, A:Q.495, A:Q.495, A:L.497 GOL.6: 9 residues within 4Å: Chain B: G.408, Q.409, D.410, W.411, P.455, R.456, Q.495, P.496, L.497 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.408, B:D.410, B:W.411, B:Q.495, B:Q.495, B:L.497

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mark, B.L. et al., Crystal structure of Human beta-hexosaminidase B: Understanding the molecular basis of Sandhoff and Tay-Sachs disease. J.Mol.Biol. (2003)

Release Date

2003-04-08

Peptides

beta-hexosaminidase beta chain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

beta-hexosaminidase beta chain

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