3I2B	Lyase	date	Jun 29, 2009
title	The Crystal Structure Of Human 6 Pyruvoyl Tetrahydrobiopteri
authors	E.Ugochukwu, R.Cocking, E.Pilka, W.W.Yue, J.E.Bray, A.Chaikuad, T. J.Muniz, F.Von Delft, C.Bountra, C.H.Arrowsmith, J.Weigelt, A.Ed U.Oppermann, Structural Genomics Consortium (Sgc)
compound		source
Molecule: 6-Pyruvoyl Tetrahydrobiopterin Synthase Chain: A, D, E, B, C, F, G, H, I, J, K, L Fragment: Unp Residues 7-145 Synonym: Pts, Ptp Synthase, Ptps Ec: 4.2.3.12 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pts Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)-R3-Prare2 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic28-Bsa4
symmetry	Space Group: P 21 21 21	R_factor 0.206 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.290 118.720 234.980 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	EDO, MG, NI, PEG	enzyme	Lyase E.C.4.2.3.12 BRENDA
Gene Ontology	Chain Function Process Component F, A, J, K, E, B, H, C, D, I, G, L

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (266 Kb) [Save to disk] Biological Unit Coordinates (3i2b.pdb1.gz) 68 Kb Biological Unit Coordinates (3i2b.pdb2.gz) 69 Kb Biological Unit Coordinates (3i2b.pdb3.gz) 66 Kb Biological Unit Coordinates (3i2b.pdb4.gz) 67 Kb LPC: Ligand-Protein Contacts for 3I2B CSU: Contacts of Structural Units for 3I2B Likely Quarternary Molecular Structure file(s) for 3I2B Structure Factors (1371 Kb) Retrieve 3I2B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I2B from S2C, [Save to disk] Re-refined 3i2b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I2B 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 3I2B

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 3I2B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i2b_H] [3i2b_G] [3i2b_E] [3i2b_K] [3i2b_F] [3i2b_C] [3i2b_D] [3i2b_L] [3i2b_J] [3i2b_A] [3i2b_B] [3i2b_I] [3i2b] SWISS-PROT database: [Q03393] Domain organization of [PTPS_HUMAN] by SWISSPFAM

Other resources with information on 3I2B

Community annotation for 3I2B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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