2PAH Hydroxylase date May 26, 1998
title Tetrameric Human Phenylalanine Hydroxylase
authors R.C.Stevens, F.Fusetti, H.Erlandsen
compound source
Molecule: Protein (Phenylalanine Hydroxylase)
Chain: A, B
Fragment: Residues 118-452
Synonym: Pah
Engineered: Yes
Other_details: Active Site Iron Atom Fe
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_plasmid: Pet-3a-D
symmetry Space Group: P 31 1 2
R_factor 0.251 R_Free 0.326
length a length b length c angle alpha angle beta angle gamma
119.500 119.500 126.000 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.10 Å
ligand FE enzyme Oxidoreductase E.C. BRENDA
note 2PAH (Molecule of the Month:pdb61)
A, B

Primary referenceStructure of tetrameric human phenylalanine hydroxylase and its implications for phenylketonuria., Fusetti F, Erlandsen H, Flatmark T, Stevens RC, J Biol Chem 1998 Jul 3;273(27):16962-7. PMID:9642259
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk]
  • Biological Unit Coordinates (2pah.pdb1.gz) 211 Kb
  • LPC: Ligand-Protein Contacts for 2PAH
  • CSU: Contacts of Structural Units for 2PAH
  • Likely Quarternary Molecular Structure file(s) for 2PAH
  • Structure Factors (144 Kb)
  • Retrieve 2PAH in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PAH from S2C, [Save to disk]
  • Re-refined 2pah structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2PAH 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 2PAH
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2PAH, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2paha_, region A [Jmol] [rasmolscript] [script source]
        - Domain d2pahb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 2pah from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [2pah_B] [2pah_A] [2pah]
  • SWISS-PROT database: [P00439]
  • Domain organization of [PH4H_HUMAN] by SWISSPFAM
  • Other resources with information on 2PAH
  • Community annotation for 2PAH 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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