SMTL ID : 3g7w.2 (1 other biounit)

Islet Amyloid Polypeptide (IAPP or Amylin) Residues 1 to 22 fused to Maltose Binding Protein

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x GLC- GLC- GLC: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC-GLC.1: 19 residues within 4Å: Chain A: N.13, D.15, K.16, E.45, E.46, W.63, A.64, D.66, R.67, E.112, E.154, P.155, Y.156, F.157, W.231, M.331, W.341, Y.342, R.345 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.46, A:E.46, A:R.67, A:R.67 Water bridges: A:D.66, A:R.67 GLC-GLC-GLC.24: 19 residues within 4Å: Chain B: N.13, D.15, K.16, E.45, E.46, W.63, A.64, D.66, R.67, E.112, E.154, P.155, Y.156, F.157, W.231, M.331, W.341, Y.342, R.345 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:E.45, B:E.46, B:R.67, B:R.67 Water bridges: B:D.66, B:D.66

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

SO4.2: 5 residues within 4Å: Chain A: S.271, P.272, N.273, K.274, E.275 Ligand excluded by PLIP SO4.3: 5 residues within 4Å: Chain A: D.83, K.84 Chain B: T.81, E.275, K.278 Ligand excluded by PLIP SO4.4: 7 residues within 4Å: Chain A: C.373, N.374, T.375, C.378, A.379, T.380, Q.381 Ligand excluded by PLIP SO4.5: 3 residues within 4Å: Chain A: A.371, K.372, Q.381 Ligand excluded by PLIP SO4.6: 3 residues within 4Å: Chain A: T.346, R.382, N.385 Ligand excluded by PLIP SO4.7: 3 residues within 4Å: Chain A: G.14, H.40, D.42 Ligand excluded by PLIP SO4.8: 2 residues within 4Å: Chain A: N.186, A.187 Ligand excluded by PLIP SO4.9: 3 residues within 4Å: Chain A: T.287, D.288 Ligands: SO4.32 Ligand excluded by PLIP SO4.10: 3 residues within 4Å: Chain A: A.78, E.79, K.274 Ligand excluded by PLIP SO4.11: 2 residues within 4Å: Chain A: N.235, K.298 Ligand excluded by PLIP SO4.12: 3 residues within 4Å: Chain A: P.41, D.42, K.47 Ligand excluded by PLIP SO4.13: 2 residues within 4Å: Chain A: Q.73, S.74 Ligand excluded by PLIP SO4.14: 6 residues within 4Å: Chain A: R.355, Q.356, A.360, L.387, V.388, H.389 Ligand excluded by PLIP SO4.15: 1 residues within 4Å: Chain A: T.357 Ligand excluded by PLIP SO4.16: 3 residues within 4Å: Chain A: N.19, D.297, K.298 Ligand excluded by PLIP SO4.17: 1 residues within 4Å: Chain A: N.206 Ligand excluded by PLIP SO4.18: 2 residues within 4Å: Chain A: P.255, K.327 Ligand excluded by PLIP SO4.19: 2 residues within 4Å: Chain A: R.355, S.390 Ligand excluded by PLIP SO4.20: 3 residues within 4Å: Chain A: E.4, K.7, K.35 Ligand excluded by PLIP SO4.21: 2 residues within 4Å: Chain A: V.247, E.323 Ligand excluded by PLIP SO4.25: 5 residues within 4Å: Chain B: S.271, P.272, N.273, K.274, E.275 Ligand excluded by PLIP SO4.26: 5 residues within 4Å: Chain A: T.81, E.275, K.278 Chain B: D.83, K.84 Ligand excluded by PLIP SO4.27: 7 residues within 4Å: Chain B: C.373, N.374, T.375, C.378, A.379, T.380, Q.381 Ligand excluded by PLIP SO4.28: 3 residues within 4Å: Chain B: A.371, K.372, Q.381 Ligand excluded by PLIP SO4.29: 3 residues within 4Å: Chain B: T.346, R.382, N.385 Ligand excluded by PLIP SO4.30: 3 residues within 4Å: Chain B: G.14, H.40, D.42 Ligand excluded by PLIP SO4.31: 2 residues within 4Å: Chain B: N.186, A.187 Ligand excluded by PLIP SO4.32: 3 residues within 4Å: Chain B: T.287, D.288 Ligands: SO4.9 Ligand excluded by PLIP SO4.33: 3 residues within 4Å: Chain B: A.78, E.79, K.274 Ligand excluded by PLIP SO4.34: 2 residues within 4Å: Chain B: N.235, K.298 Ligand excluded by PLIP SO4.35: 3 residues within 4Å: Chain B: P.41, D.42, K.47 Ligand excluded by PLIP SO4.36: 2 residues within 4Å: Chain B: Q.73, S.74 Ligand excluded by PLIP SO4.37: 6 residues within 4Å: Chain B: R.355, Q.356, A.360, L.387, V.388, H.389 Ligand excluded by PLIP SO4.38: 1 residues within 4Å: Chain B: T.357 Ligand excluded by PLIP SO4.39: 3 residues within 4Å: Chain B: N.19, D.297, K.298 Ligand excluded by PLIP SO4.40: 1 residues within 4Å: Chain B: N.206 Ligand excluded by PLIP SO4.41: 2 residues within 4Å: Chain B: P.255, K.327 Ligand excluded by PLIP SO4.42: 2 residues within 4Å: Chain B: R.355, S.390 Ligand excluded by PLIP SO4.43: 3 residues within 4Å: Chain B: E.4, K.7, K.35 Ligand excluded by PLIP SO4.44: 2 residues within 4Å: Chain B: V.247, E.323 Ligand excluded by PLIP

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.22: 5 residues within 4Å: Chain A: N.151, E.154, D.210, Y.211, S.212 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.151, A:Y.211, A:S.212, A:S.212 Water bridges: A:Q.153, A:E.154 GOL.23: 2 residues within 4Å: Chain A: K.43, R.382 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.43, A:R.382 Water bridges: A:R.382, A:R.382 GOL.45: 5 residues within 4Å: Chain B: N.151, E.154, D.210, Y.211, S.212 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:N.151, B:Y.211, B:S.212, B:S.212 Water bridges: B:Q.153, B:E.154 GOL.46: 2 residues within 4Å: Chain B: K.43, R.382 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.43, B:R.382 Water bridges: B:R.382, B:R.382

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wiltzius, J.J. et al., Atomic structures of IAPP (amylin) fusions suggest a mechanism for fibrillation and the role of insulin in the process. Protein Sci. (2009)

Release Date

2009-06-23

Peptides

Maltose-binding periplasmic protein, Islet amyloid polypeptide fusion protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Maltose-binding periplasmic protein, Islet amyloid polypeptide fusion protein

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