1KPI

Crystal Structure of mycolic acid cyclopropane synthase CmaA2 complexed with SAH and DDDMAB

Structural Biology Knowledgebase: 1KPI SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.242
  • R-Value Work: 0.208

Literature

Macromolecules
Sequence Display for 1KPI

Classification: TRANSFERASE

Total Structure Weight: 35797.60

Macromolecule Entities
Molecule Chains Length Organism Details
CYCLOPROPANE-FATTY-ACYL-PHOSPHOLIPID SYNTHASE 2 A 302 Mycobacterium tuberculosis EC#: 2.1.1.79 IUBMB
Mutation: Y274C
Gene Name(s): cmaA2 cma2 CMAS-2 Rv0503c MTCY20G9.30c
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SAH
Query on SAH

A S-ADENOSYL-L-HOMOCYSTEINE
C14 H20 N6 O5 S
ZJUKTBDSGOFHSH-WFMPWKQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
10A
Query on 10A

A DIDECYL-DIMETHYL-AMMONIUM
C22 H48 N
JGFDZZLUDWMUQH-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CO3
Query on CO3

A CARBONATE ION
C O3
BVKZGUZCCUSVTD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.242
  • R-Value Work: 0.208
  • Space Group: I 41 2 2

Unit Cell:

Length (Å) Angle (°)
a = 106.71 α = 90.00
b = 106.71 β = 90.00
c = 227.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-30
  • Released Date: 2002-01-11
  • Deposition author(s): Huang, C.-C., Smith, C.V., Jacobs Jr., W.R., Glickman, M.S., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values