SMTL ID : 2id4.2 (1 other biounit)

The 1.9 A structure of Kex2 in complex with an Ac-R-E-R-K-chloromethyl ketone inhibitor.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x ACE- ARG- GLU- ARG- LYK- 0QE: Ac-RERK-CMK inhibitor(Non-covalent)

ACE-ARG-GLU-ARG-LYK-0QE.1: 19 residues within 4Å: Chain A: D.62, D.63, D.97, D.98, H.100, L.133, S.134, I.137, E.142, S.159, W.160, G.161, P.162, A.163, D.164, Q.170, N.201, D.212, S.272 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:L.133, A:L.133 Hydrogen bonds: A:I.137, A:I.137, A:I.137, A:S.159, A:G.161, A:G.161, A:P.162, A:Q.170, A:N.201, A:S.272 Water bridges: A:Y.99, A:A.163, A:D.164 Salt bridges: A:D.63, A:D.97, A:D.98, A:E.142

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

NAG-NDG.2: 3 residues within 4Å: Chain A: N.367, G.465, R.467 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.367, A:R.467 Water bridges: A:N.367, A:G.465

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

NAG.3: 1 residues within 4Å: Chain A: N.50 No protein-ligand interaction detected (PLIP)

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 3 residues within 4Å: Chain A: D.164, D.207, E.237 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.207, A:E.237, H2O.1, H2O.1, H2O.2 CA.5: 6 residues within 4Å: Chain A: D.22, D.71, K.111, N.114, F.116, G.118 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.22, A:D.71, A:K.111, A:F.116, A:G.118

1 x NA: SODIUM ION(Non-functional Binders)

NA.6: 5 residues within 4Å: Chain A: T.215, S.217, S.220, T.222, M.442 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.220, A:S.220, A:T.222, A:T.222

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wheatley, J.L. et al., Differential P1 arginine and lysine recognition in the prototypical proprotein convertase Kex2. Proc.Natl.Acad.Sci.Usa (2007)

Release Date

2007-05-01

Peptides

Kexin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Kexin

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