Structure of PDB 1r0r Chain E Binding Site BS03

Receptor Information

>1r0r Chain E (length=274) Species: 1402 (Bacillus licheniformis)

AQTVPYGIPLIKADKVQAQGFKGANVKVAVLDTGIQASHPDLNVVGGASF
VAGEAYNTDGNGHGTHVAGTVAALDNTTGVLGVAPSVSLYAVKVLNSSGS
GSYSGIVSGIEWATTNGMDVINMSLGGASGSTAMKQAVDNAYARGVVVVA
AAGNSGNSGSTNTIGYPAKYDSVIAVGAVDSNSNRASFSSVGAELEVMAP
GAGVYSTYPTNTYATLNGTSMASPHVAGAAALILSKHPNLSASQVRNRLS
STATYLGSSFYYGKGLINVEAAAQ

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 1r0r Chain E Residue 303

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1r0r Structure and energetics of protein-protein interactions: the role of conformational heterogeneity in OMTKY3 binding to serine proteases
• Resolution: 1.1 Å
• Binding residue (original residue number in PDB): G193 A194 L196 S260
• Binding residue (residue number reindexed from 1): G192 A193 L195 S259
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): S221
• Catalytic site (residue number reindexed from 1): S220
• Enzyme Commision number: 3.4.21.62: subtilisin.

Gene Ontology

Molecular Function

• GO:0004252 serine-type endopeptidase activity
• GO:0008236 serine-type peptidase activity

Biological Process

• GO:0006508 proteolysis

External links

• PDB: RCSB:1r0r, PDBe:1r0r, PDBj:1r0r
• PDBsum: 1r0r
• PubMed: 12888355
• UniProt: P00780|SUBC_BACLI Subtilisin Carlsberg (Gene Name=subC)