Structure of PDB 3myw Chain B Binding Site BS01

Receptor Information

>3myw Chain B (length=223) Species: 9823 (Sus scrofa)

IVGGYTCAANSVPYQVSLNSGSHFCGGSLINSQWVVSAAHCYKSRIQVRL
GEHNIDVLEGNEQFINAAKIITHPNFNGNTLDNDIMLIKLSSPATLNSRV
ATVSLPRSCAAAGTECLISGWGNTKSSGSSYPSLLQCLKAPVLSDSSCKS
AYPGQITGNMICVGFLEGGKDSCQGDSGGPVVCNGQLQGIVSWGYGCAQK
NKPGVYTKVCNYVNWIQQTIAAN

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: 3myw Chain B Residue 246

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3myw The 0.25-nm X-ray structure of the Bowman-Birk-type inhibitor from mung bean in ternary complex with porcine trypsin.
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): E70 N72 V75 E77 E80
• Binding residue (residue number reindexed from 1): E52 N54 V57 E59 E62
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H40 D102 G193 S195 G196
• Catalytic site (residue number reindexed from 1): H23 D84 G175 S177 G178
• Enzyme Commision number: 3.4.21.4: trypsin.

Gene Ontology

Molecular Function

• GO:0004252 serine-type endopeptidase activity
• GO:0008236 serine-type peptidase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006508 proteolysis
• GO:0007586 digestion

Cellular Component

• GO:0005576 extracellular region
• GO:0005615 extracellular space

External links

• PDB: RCSB:3myw, PDBe:3myw, PDBj:3myw
• PDBsum: 3myw
• PubMed: 8444191
• UniProt: P00761|TRYP_PIG Trypsin