1AI4

PENICILLIN ACYLASE COMPLEXED WITH 3,4-DIHYDROXYPHENYLACETIC ACID

Structural Biology Knowledgebase: 1AI4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.150

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1AI4

Classification: ANTIBIOTIC RESISTANCE

Total Structure Weight: 86476.43

Macromolecule Entities
Molecule Chains Length Organism Details
PENICILLIN AMIDOHYDROLASE A 209 Escherichia coli EC#: 3.5.1.11 IUBMB
Gene Name(s): pac
PENICILLIN AMIDOHYDROLASE B 557 Escherichia coli EC#: 3.5.1.11 IUBMB
Mutation: E165Q
Gene Name(s): pac

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DHY
Query on DHY

B 2-(3,4-DIHYDROXYPHENYL)ACETIC ACID
C8 H8 O4
CFFZDZCDUFSOFZ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
DHY N/A in BindingDB
Ki: 3130000 nM  BindingMOAD
Ki: 3130000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.150
  • Space Group: P 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 52.12 α = 100.20
b = 65.08 β = 111.44
c = 76.30 γ = 105.81

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-05-01
  • Released Date: 1997-11-12
  • Deposition author(s): Done, S.H.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4