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 Ec: 1.14.16.1 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
crystal cell	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 Diffraction	resolution	3.10 Å
ligand	FE	enzyme	Oxidoreductase E.C.1.14.16.1 BRENDA
note	2PAH (Molecule of the Month:pdb61)
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure 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] (108 Kb) [Save to disk] Biological Unit Coordinates (2pah.pdb1.gz) 207 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

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 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] 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)

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