1AH5 Transferase date Apr 13, 1997
title Reduced Form Selenomethionine-Labelled Hydroxymethylbilane S Determined By Mad
authors J.R.Helliwell, Y.P.Nieh, S.J.Harrop, A.Cassetta
compound source
Molecule: Hydroxymethylbilane Synthase
Chain: A
Fragment: Three Domains
Synonym: Porphobilinogen Deaminase
Ec: 2.5.1.61
Engineered: Yes
Other_details: Contains A Dipyrromethane Cofactor Linked To Residue Cysteine 242
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 2
R_factor 0.168 R_Free 0.235
crystal
cell
length a length b length c angle alpha angle beta angle gamma
88.470 76.150 50.790 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand DPM, MSE enzyme Transferase E.C.2.5.1.61 BRENDA
related structures by homologous chain: 1YPN
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceDetermination of the structure of seleno-methionine-labelled hydroxymethylbilane synthase in its active form by multi-wavelength anomalous dispersion., Hadener A, Matzinger PK, Battersby AR, McSweeney S, Thompson AW, Hammersley AP, Harrop SJ, Cassetta A, Deacon A, Hunter WN, Nieh YP, Raftery J, Hunter N, Helliwell JR, Acta Crystallogr D Biol Crystallogr 1999 Mar;55 ( Pt 3):631-43. PMID:10089459
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk]
  • Biological Unit Coordinates (1ah5.pdb1.gz) 51 Kb
  • LPC: Ligand-Protein Contacts for 1AH5
  • CSU: Contacts of Structural Units for 1AH5
  • Likely Quarternary Molecular Structure file(s) for 1AH5
  • Structure Factors (98 Kb)
  • Retrieve 1AH5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AH5 from S2C, [Save to disk]
  • Re-refined 1ah5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1AH5 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1AH5
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1AH5, from MSDmotif at EBI
  • Genome occurence of 1AH5's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ah5_2, region 220-313 [Jmol] [rasmolscript] [script source]
        - Domain d1ah5_1, region 3-219 [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1ah5] [1ah5_A]
  • SWISS-PROT database: [P06983]
  • Domain organization of [HEM3_ECOLI] by SWISSPFAM
  • Other resources with information on 1AH5
  • Community annotation for 1AH5 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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