1AH5

REDUCED FORM SELENOMETHIONINE-LABELLED HYDROXYMETHYLBILANE SYNTHASE DETERMINED BY MAD

Structural Biology Knowledgebase: 1AH5 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.168

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1AH5

Classification: TRANSFERASE

Total Structure Weight: 34546.98

Macromolecule Entities
Molecule Chains Length Organism Details
HYDROXYMETHYLBILANE SYNTHASE A 313 Escherichia coli EC#: 2.5.1.61 IUBMB
Fragment: THREE DOMAINS
Mutation: M28M, M41M, M82M, M234M, M286M
Details: CONTAINS A DIPYRROMETHANE COFACTOR LINKED TO THE RESIDUE CYSTEINE 242
Gene Name(s): hemC popE b3805 JW5932

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DPM
Query on DPM

A 3-[5-{[3-(2-carboxyethyl)-4-(carboxymethyl)- 5-methyl-1H-pyrrol-2-yl]methyl}-4-(carboxymethyl)- 1H-pyrrol-3-yl]propanoic acid
DIPYRROMETHANE COFACTOR (Synonym)
C20 H24 N2 O8
LCAXMKQKEYTFDM-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.168
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 88.47 α = 90.00
b = 76.15 β = 90.00
c = 50.79 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-04-13
  • Released Date: 1997-10-15
  • Deposition author(s): Helliwell, J.R., Nieh, Y.P., Harrop, S.J., Cassetta, A.

Revision History

  • 2013-09-18
    Type: Non-polymer description | Details: Corrected ligand DPM bond order description
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4