1GK9

CRYSTAL STRUCTURES OF PENICILLIN ACYLASE ENZYME-SUBSTRATE COMPLEXES: STRUCTURAL INSIGHTS INTO THE CATALYTIC MECHANISM

Structural Biology Knowledgebase: 1GK9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.3 Å
  • R-Value Free: 0.169
  • R-Value Work: 0.148

Literature

Macromolecules
Sequence Display for 1GK9

Classification: ANTIBIOTIC RESISTANCE

Total Structure Weight: 92923.84

Macromolecule Entities
Molecule Chains Length Organism Details
PENICILLIN G ACYLASE ALPHA SUBUNIT A 260 Escherichia coli EC#: 3.5.1.11 IUBMB
Fragment: N-TERMINAL NUCLEOPHILE DOMAIN RESIDUES 29-286
Gene Name(s): pac
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
PENICILLIN G ACYLASE BETA SUBUNIT B 557 Escherichia coli EC#: 3.5.1.11 IUBMB
Fragment: RESIDUES 287-846
Gene Name(s): pac

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

A, B 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.3 Å
  • R-Value Free: 0.169
  • R-Value Work: 0.148
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 51.30 α = 90.00
b = 131.60 β = 105.90
c = 63.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-08-10
  • Released Date: 2002-01-04
  • Deposition author(s): Mcvey, C.E., Walsh, M.A., Dodson, G.G., Wilson, K.S., Brannigan, J.A.

Revision History

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