Structure of PDB 1g9k Chain A Binding Site BS08

Receptor Information

>1g9k Chain A (length=455) Species: 286 (Pseudomonas)

GTSSAFTQIDNFSHFYDRGDHLVNGKPSFTVDQVADQLTRSGASWHDLNN
DGVINLTYTFLTAPPVGYASRGLGTFSQFSALQKEQAKLSLESWADVAKV
TFTEGPAARDDGHMTFANFSASNGGAAFAYLPNSSRKGESWYLINKDYQV
NKTPGEGNYGRQTLTHEIGHTLGLSHPGDYNPTYRDAVYAEDTRAYSVMS
YWSEKNTGQVFTKTGEGAYASAPLLDDIAAVQKLYGANLETRADDTVYGF
NSTADRDFYSATSSTDKLIFSVWDGGGNDTLDFSGFSQNQKINLTAGSFS
DVGGMTGNVSIAQGVTIENAIGGSGNDLLIGNDAANVLKGGAGNDIIYGG
GGADVLWGGTGSDTFVFGAVSDSTPKAADIIKDFQSGFDKIDLTAITKLG
GLNFVDAFTGHAGDAIVSYHQASNAGSLQVDFSGQGVADFLVTTVGQVAT
YDIVA

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 1g9k Chain A Residue 600

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1g9k Crystal structures of a psychrophilic metalloprotease reveal new insights into catalysis by cold-adapted proteases
• Resolution: 1.96 Å
• Binding residue (original residue number in PDB): H169 H173 H179
• Binding residue (residue number reindexed from 1): H166 H170 H176
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 3.4.24.40: serralysin.

Gene Ontology

Molecular Function

• GO:0004222 metalloendopeptidase activity
• GO:0005509 calcium ion binding
• GO:0008237 metallopeptidase activity
• GO:0008270 zinc ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0005615 extracellular space
• GO:0031012 extracellular matrix

External links

• PDB: RCSB:1g9k, PDBe:1g9k, PDBj:1g9k
• PDBsum: 1g9k
• PubMed: 12577270
• UniProt: O69771