SMTL ID : 7qcl.1

Structure of the MUCIN-2 Cterminal domains

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

6 x NAG- NAG- BMA- MAN- NAG- GAL- MAN- NAG- GAL- FUC: beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.1: 2 residues within 4Å: Chain A: T.464, N.474 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.4: 6 residues within 4Å: Chain B: Y.461, A.463, E.465, N.481, S.483, L.484 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.461, B:E.465 NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.5: 2 residues within 4Å: Chain A: N.345, H.346 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.346 NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.8: 5 residues within 4Å: Chain A: Y.461, K.479, N.481, S.483, L.484 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.483 NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.10: 4 residues within 4Å: Chain B: D.342, N.345, H.346, H.348 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:N.345 Hydrogen bonds: B:H.348 NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL-FUC.14: 7 residues within 4Å: Chain A: P.468, A.469 Chain B: T.464, E.465, V.466, C.472, N.474 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:T.464 Hydrogen bonds: B:V.466

1 x NAG- NAG- BMA- MAN- NAG- GAL- NAG- GAL- MAN- NAG- GAL- NAG- GAL- FUC: beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NAG-GAL-NAG-GAL-MAN-NAG-GAL-NAG-GAL-FUC.2: 1 residues within 4Å: Chain A: N.209 No protein-ligand interaction detected (PLIP)

3 x NAG- NAG- BMA- FUC: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-FUC.3: 2 residues within 4Å: Chain B: N.548, N.549 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA-FUC.11: 2 residues within 4Å: Chain A: N.548, N.549 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.549 NAG-NAG-BMA-FUC.12: 3 residues within 4Å: Chain B: S.377, Q.378, N.380 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Q.378, B:Q.378, B:Q.378, B:Q.378, B:N.380, B:N.380

2 x NAG- NAG- BMA- MAN- NAG- GAL- MAN- NAG- GAL: beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL.6: 7 residues within 4Å: Chain B: M.46, P.47, T.48, C.49, E.69, C.70, N.220 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-GAL.9: 7 residues within 4Å: Chain A: P.44, M.46, P.47, T.48, C.49, S.50, N.220 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- MAN- BMA- FUC: alpha-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-MAN-BMA-FUC.7: 4 residues within 4Å: Chain A: S.377, Q.378, N.380, T.382 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:N.380, A:T.382

1 x NAG- NAG- BMA- MAN- NAG- GAL- NAG- GAL- MAN- NAG- GAL- FUC: beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NAG-GAL-NAG-GAL-MAN-NAG-GAL-FUC.13: 1 residues within 4Å: Chain B: N.209 No protein-ligand interaction detected (PLIP)

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

NAG.15: 9 residues within 4Å: Chain A: N.563, T.564, S.565, C.566, F.570, E.571, L.572, M.573, E.574 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.570, A:L.572 Hydrogen bonds: A:N.563, A:T.564, A:C.566, A:E.571, A:E.571, A:L.572, A:M.573, A:E.574 NAG.16: 7 residues within 4Å: Chain A: P.2, P.3, Y.30, N.31, N.32, T.33 Chain B: E.35 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:P.3 Hydrogen bonds: A:P.2, A:N.31, A:N.32, A:N.32, A:T.33, B:E.35 NAG.18: 8 residues within 4Å: Chain B: N.563, T.564, S.565, G.569, F.570, E.571, L.572, M.573 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.563, B:S.565, B:G.569, B:L.572 NAG.19: 4 residues within 4Å: Chain B: P.2, Y.30, N.31, N.32 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.32

2 x CA: CALCIUM ION(Non-covalent)

CA.17: 7 residues within 4Å: Chain A: D.86, T.217, T.219, N.220, T.221, D.224, D.225 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.86, A:T.217, A:T.219, A:T.221, A:D.225 CA.20: 6 residues within 4Å: Chain B: D.86, T.217, T.219, T.221, D.224, D.225 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.86, B:T.217, B:T.219, B:T.221, B:D.225

Links

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Citation

Gallego, P. et al., The intestinal MUC2 mucin C-terminus is stabilized by an extra disulfide bond in comparison to von Willebrand factor and other gel-forming mucins. Nat Commun (2023)

Release Date

2023-03-08

Peptides

Mucin-2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Mucin-2