SMTL ID : 1r64.2 (1 other biounit)

The 2.2 A crystal structure of Kex2 protease in complex with Ac-Arg-Glu-Lys-boroArg peptidyl boronic acid inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x ACE- ARG- GLU- LYS- BOR: Ac-Arg-Glu-Lys-boroArg peptide inhibitor(Non-covalent)

ACE-ARG-GLU-LYS-BOR.1: 24 residues within 4Å: Chain A: D.56, D.90, H.93, L.126, I.130, E.135, S.152, W.153, G.154, P.155, A.156, D.157, Q.163, A.191, S.192, G.193, N.194, D.205, T.208, G.262, G.263, T.264, S.265 Ligands: CA.4 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:H.93, A:L.126, A:L.126 Hydrogen bonds: A:D.56, A:D.56, A:I.130, A:S.152, A:G.154, A:G.154, A:P.155, A:Q.163, A:A.191, A:N.194, A:N.194, A:S.265 Water bridges: A:D.157, A:D.157, A:D.205, A:D.205, A:Y.207 Salt bridges: A:E.135, A:D.157, A:D.205

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

NAG-NAG.2: 3 residues within 4Å: Chain A: N.360, G.458, R.460 No protein-ligand interaction detected (PLIP)

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

NAG.3: 3 residues within 4Å: Chain A: N.43, I.44, E.280 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:E.280

3 x CA: CALCIUM ION(Non-covalent)

CA.4: 4 residues within 4Å: Chain A: D.157, D.200, E.230 Ligands: ACE-ARG-GLU-LYS-BOR.1 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.200, A:E.230, H2O.2, H2O.4, H2O.5 CA.5: 6 residues within 4Å: Chain A: D.15, D.64, K.104, N.107, F.109, G.111 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.15, A:D.64, A:K.104, A:F.109, A:G.111 CA.6: 5 residues within 4Å: Chain A: T.208, S.210, S.213, T.215, M.435 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:T.208, A:S.210, A:S.213, A:S.213, H2O.1

3 x K: POTASSIUM ION(Non-covalent)

K.7: 4 residues within 4Å: Chain A: A.71, E.72, S.74, Y.141 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:A.71, A:S.74, A:Y.141 K.8: 3 residues within 4Å: Chain A: T.346, W.347, A.380 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:T.346, A:W.347, A:A.380, H2O.11 K.9: 1 residues within 4Å: Chain A: R.321 No protein-ligand interaction detected (PLIP)

1 x BTB: 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-covalent)

BTB.10: 5 residues within 4Å: Chain A: D.311, S.312, A.313, A.410, I.412 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.311, A:A.410 Water bridges: A:D.311

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Holyoak, T. et al., Structural Basis for Differences in Substrate Selectivity in Kex2 and Furin Protein Convertases. Biochemistry (2004)

Release Date

2004-03-09

Peptides

Kexin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Kexin

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