SMTL ID : 5sic.1

MOLECULAR RECOGNITION AT THE ACTIVE SITE OF SUBTILISIN BPN': CRYSTALLOGRAPHIC STUDIES USING GENETICALLY ENGINEERED PROTEINACEOUS INHIBITOR SSI (STREPTOMYCES SUBTILISIN INHIBITOR)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-2-2-mer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: Q.2, D.41, L.75, N.77, I.79, V.81 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.41, A:D.41, A:L.75, A:I.79, A:V.81 CA.2: 7 residues within 4Å: Chain A: G.169, K.170, Y.171, P.172, V.174, E.195, D.197 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:G.169, A:Y.171, A:V.174, A:E.195, H2O.5 CA.3: 6 residues within 4Å: Chain C: Q.2, D.41, L.75, N.77, I.79, V.81 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.41, C:D.41, C:L.75, C:I.79, C:V.81 CA.4: 7 residues within 4Å: Chain C: G.169, K.170, Y.171, P.172, V.174, E.195, D.197 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:G.169, C:Y.171, C:V.174, C:E.195, H2O.17

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Takeuchi, Y. et al., Molecular recognition at the active site of subtilisin BPN': crystallographic studies using genetically engineered proteinaceous inhibitor SSI (Streptomyces subtilisin inhibitor). Protein Eng. (1991)

Release Date

1994-01-31

Peptides

SUBTILISIN BPN': AC
SUBTILISIN INHIBITOR (SSI): BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

C
E

B
I

D
I

SUBTILISIN BPN'

SUBTILISIN INHIBITOR (SSI)

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