Structure of PDB 2bb7 Chain A Binding Site BS01

Receptor Information

>2bb7 Chain A (length=258) Species: 562 (Escherichia coli)

IKTPEDIEKMRVAGRLAAEVLEMIEPYVKPGVSTGELDRICNDYIVNEQH
AVSACLGYHGYPKSVCISINEVVCHGIPDDAKLLKDGDIVNIDVTVIKDG
FHGDTSKMFIVGKPTIMGERLCRITQESLYLALRMVKPGINLREIGAAIQ
KFVEAEGFSVVREYCGHGIGRGFHEEPQVLHYDSRETNVVLKPGMTFTIE
PMVNAGKKEIRTMKDGWTVKTKDRSLSAQYEHTIVVTDNGCEILTLRKDD
TIPAIISH

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 2bb7 Chain A Residue 301

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2bb7 Metal mediated inhibition of methionine aminopeptidase by quinolinyl sulfonamides
• Resolution: 1.7 Å
• Binding residue (original residue number in PDB): D97 D108 E235
• Binding residue (residue number reindexed from 1): D93 D104 E231
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): H79 D97 D108 H171 R175 H178 Q182 E204 N208 Q233 E235
• Catalytic site (residue number reindexed from 1): H75 D93 D104 H167 R171 H174 Q178 E200 N204 Q229 E231
• Enzyme Commision number: 3.4.11.18: methionyl aminopeptidase.

Gene Ontology

Molecular Function

• GO:0004177 aminopeptidase activity
• GO:0004239 initiator methionyl aminopeptidase activity
• GO:0008198 ferrous iron binding
• GO:0008235 metalloexopeptidase activity
• GO:0046872 metal ion binding
• GO:0046914 transition metal ion binding
• GO:0070006 metalloaminopeptidase activity

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0005829 cytosol

External links

• PDB: RCSB:2bb7, PDBe:2bb7, PDBj:2bb7
• PDBsum: 2bb7
• PubMed: 16300729
• UniProt: P0AE18|MAP1_ECOLI Methionine aminopeptidase (Gene Name=map)