SMTL ID : 8vlu.1

Cryo-EM structure of human HGSNAT bound with CoA

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

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

NAG.1: 4 residues within 4Å: Chain A: L.83, L.85, N.162, N.184 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:L.83 NAG.3: 1 residues within 4Å: Chain A: N.94 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.117 NAG.4: 4 residues within 4Å: Chain A: Y.98, F.109, Q.140, N.142 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Y.98, A:F.109 Hydrogen bonds: A:Q.140 NAG.5: 4 residues within 4Å: Chain B: W.92, T.93, N.94, Q.117 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.92, B:N.94 NAG.6: 5 residues within 4Å: Chain B: L.83, L.85, N.162, N.184, E.185 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.83 Hydrogen bonds: B:N.184 NAG.7: 3 residues within 4Å: Chain B: P.460, N.461, E.493 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:P.460 Hydrogen bonds: B:N.461 NAG.9: 7 residues within 4Å: Chain B: Y.98, F.109, Q.140, N.142, E.147, K.148, E.149 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:Y.98, B:F.109 Hydrogen bonds: B:Q.140

2 x COA: COENZYME A(Non-covalent)

COA.2: 23 residues within 4Å: Chain A: R.267, L.268, R.269, V.271, D.272, R.275, M.282, V.309, F.310, F.313, I.316, M.317, S.320, L.323, S.324, K.341, R.345, V.376, L.380, S.607, I.608, Y.611, K.662 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:I.608, A:Y.611 Hydrogen bonds: A:R.267, A:L.268, A:R.269, A:D.272, A:D.272, A:R.275, A:R.275, A:S.320, A:S.320, A:S.607 Salt bridges: A:R.275, A:R.275, A:K.341, A:R.345, A:R.345, A:K.662 pi-Cation interactions: A:R.267 COA.8: 24 residues within 4Å: Chain B: R.267, L.268, V.271, D.272, R.275, M.282, N.286, V.309, F.310, F.313, I.316, M.317, S.320, L.323, S.324, I.328, K.341, R.345, V.376, L.380, S.607, I.608, Y.611, K.662 18 PLIP interactions: 18 interactions with chain B Hydrophobic interactions: B:V.376, B:I.608, B:Y.611 Hydrogen bonds: B:L.268, B:D.272, B:R.275, B:R.275, B:F.313, B:S.320, B:S.324, B:K.662 Salt bridges: B:R.275, B:R.275, B:K.341, B:R.345, B:R.345, B:K.662 pi-Cation interactions: B:R.267

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhao, B. et al., Structural and mechanistic insights into a lysosomal membrane enzyme HGSNAT involved in Sanfilippo syndrome. Nat Commun (2024)

Release Date

2024-06-26

Peptides

Heparan-alpha-glucosaminide N-acetyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Membrane

We predict this structure to be a membrane protein.
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Heparan-alpha-glucosaminide N-acetyltransferase

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