E. coli methionine aminopeptidase Mn-form with inhibitor A05

Experimental Data Snapshot

  • Resolution: 1.70 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.214 

wwPDB Validation   3D Report Full Report

Ligand Structure Quality Assessment 

This is version 1.2 of the entry. See complete history


Structural analysis of inhibition of E. coli methionine aminopeptidase: implication of loop flexibility in selective inhibition of bacterial enzymes.

Ma, Z.Q.Xie, S.X.Huang, Q.Q.Nan, F.J.Hurley, T.D.Ye, Q.Z.

(2007) BMC Struct Biol 7: 84-84

  • DOI: https://doi.org/10.1186/1472-6807-7-84
  • Primary Citation of Related Structures:  
    2Q92, 2Q93, 2Q94, 2Q95, 2Q96

  • PubMed Abstract: 

    Methionine aminopeptidase is a potential target of future antibacterial and anticancer drugs. Structural analysis of complexes of the enzyme with its inhibitors provides valuable information for structure-based drug design efforts.

  • Organizational Affiliation

    High Throughput Screening Laboratory, University of Kansas, Lawrence, Kansas 66047, USA. zeqiang.ma@vanderbilt.edu

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Methionine aminopeptidase263Escherichia coliMutation(s): 0 
Gene Names: map
Find proteins for P0AE18 (Escherichia coli (strain K12))
Explore P0AE18 
Go to UniProtKB:  P0AE18
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0AE18
Sequence Annotations
  • Reference Sequence
Small Molecules
Binding Affinity Annotations 
IDSourceBinding Affinity
A05 Binding MOAD:  2Q95 IC50: 1600 (nM) from 1 assay(s)
BindingDB:  2Q95 IC50: min: 1560, max: 4.86e+4 (nM) from 4 assay(s)
PDBBind:  2Q95 IC50: 1600 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Resolution: 1.70 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.214 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 38.847α = 90
b = 62.373β = 108.39
c = 52.422γ = 90
Software Package:
Software NamePurpose
SCALAdata scaling
PDB_EXTRACTdata extraction
MOSFLMdata reduction

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment 

Entry History 

Deposition Data

  • Released Date: 2008-01-01 
  • Deposition Author(s): Ye, Q.-Z.

Revision History  (Full details and data files)

  • Version 1.0: 2008-01-01
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2023-08-30
    Changes: Data collection, Database references, Derived calculations, Refinement description