SMTL ID : 2dqk.1

Crystal structure of the complex of proteinase K with a specific lactoferrin peptide Val-Leu-Leu-His at 1.93 A resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

monomer

Ligands

1 x VAL- LEU- LEU- HIS: VLLH(Non-covalent)

VAL-LEU-LEU-HIS.1: 17 residues within 4Å: Chain A: H.69, L.96, N.99, G.100, S.101, G.102, Y.104, I.107, S.132, L.133, G.134, G.135, A.158, G.160, N.161, T.223, S.224 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:L.96, A:Y.104, A:L.133 Hydrogen bonds: A:G.100, A:G.100, A:G.102, A:G.102, A:G.160, A:N.161, A:S.224, A:S.224

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 3 residues within 4Å: Chain A: P.175, V.177, D.200 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:P.175, A:D.200, A:D.200, H2O.1, H2O.1

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.3: 5 residues within 4Å: Chain A: Y.60, Y.61, K.94, D.97, D.98 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.94, A:D.98 Water bridges: A:Y.61, A:Y.61

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, A.K. et al., Crystal structure of the complex of proteinase K with a specific lactoferrin peptide Val-Leu-Leu-His at 1.93 resolution. To be Published

Release Date

2006-06-20

Peptides

Proteinase K: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Proteinase K

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