1RU1	Transferase	date	Dec 10, 2003
title	Crystal Structure Of A Ternary Complex Of E. Coli Hppk(V83g With Mgampcpp And 6-Hydroxymethyl-7,8-Dihydropterin At 1.40 Resolution (Monoclinic Form)
authors	J.Blaszczyk, X.Ji
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 52.797 68.752 36.491 90.00 90.50 90.00
method	X-Ray Diffraction	resolution	1.40 Å
ligand	APC, CL, MG, PH2	enzyme	Transferase E.C.2.7.6.3 BRENDA
related structures	by homologous chain: 1RB0, 1TMJ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Essential roles of a dynamic loop in the catalysis of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase., Blaszczyk J, Li Y, Wu Y, Shi G, Ji X, Yan H, Biochemistry 2004 Feb 17;43(6):1469-77. PMID:14769023

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (1ru1.pdb1.gz) 58 Kb Biological Unit Coordinates (1ru1.pdb2.gz) 63 Kb LPC: Ligand-Protein Contacts for 1RU1 CSU: Contacts of Structural Units for 1RU1 Likely Quarternary Molecular Structure file(s) for 1RU1 Structure Factors (730 Kb) Retrieve 1RU1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RU1 from S2C, [Save to disk] Re-refined 1ru1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RU1 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 1RU1

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1RU1 1RU1A 1RU1B from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1RU1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ru1a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ru1b_, 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: [1ru1] [1ru1_B] [1ru1_A] SWISS-PROT database: [P26281] Domain organization of [HPPK_ECOLI] by SWISSPFAM

Other resources with information on 1RU1

Community annotation for 1RU1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---