1TMM	Transferase	date	Jun 10, 2004
title	Crystal Structure Of Ternary Complex Of E.Coli Hppk(W89a) Wi Mgampcpp And 6-Hydroxymethylpterin
authors	J.Blaszczyk, Y.Li, Y.Wu, G.Shi, X.Ji, H.Yan
compound		source
Molecule: 2-Amino-4-Hydroxy-6-Hydroxymethyldihydropteridine Pyrophosphokinase; Chain: A, B Synonym: 7,8-Dihydro-6-Hydroxymethylpterin-Pyrophosphokinas 6-Hydroxymethyl-7,8-Dihydropterin Pyrophosphokinase, Pppk; Ec: 2.7.6.3 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Folk, B0142 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet17b
symmetry	Space Group: P 1 21 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.992 47.392 71.438 90.00 104.13 90.00
method	X-Ray Diffraction	resolution	1.25 Å
ligand	ACT, APC, CL, GOL, HHR, MG	enzyme	Transferase E.C.2.7.6.3 BRENDA
related structures	by homologous chain: 1HQ2, 1Q0N
Gene Ontology	Chain Function Process Component A, B
Primary reference	Is the Critical Role of Loop 3 of Escherichia coli 6-Hydroxymethyl-7,8-dihydropterin Pyrophosphokinase in Catalysis Due to Loop-3 Residues Arginine-84 and Tryptophan-89? Site-Directed Mutagenesis, Biochemical, and Crystallographic Studies(,)., Li Y, Blaszczyk J, Wu Y, Shi G, Ji X, Yan H, Biochemistry 2005 Jun 21;44(24):8590-9. PMID:15952765

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk] Biological Unit Coordinates (1tmm.pdb1.gz) 69 Kb Biological Unit Coordinates (1tmm.pdb2.gz) 69 Kb LPC: Ligand-Protein Contacts for 1TMM CSU: Contacts of Structural Units for 1TMM Likely Quarternary Molecular Structure file(s) for 1TMM Structure Factors (1202 Kb) Retrieve 1TMM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TMM from S2C, [Save to disk] Re-refined 1tmm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1TMM

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TMM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1tmm] [1tmm_B] [1tmm_A] SWISS-PROT database: [P26281] Domain organization of [HPPK_ECOLI] by SWISSPFAM

Other resources with information on 1TMM

Community annotation for 1TMM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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