1D7A	Lyase	date	Oct 16, 1999
title	Crystal Structure Of E. Coli Pure-Mononucleotide Complex.
authors	I.I.Mathews, T.J.Kappock, J.Stubbe, S.E.Ealick
compound		source
Molecule: Phosphoribosylaminoimidazole Carboxylase Chain: A, B, C, D, L, M, N, O Fragment: Catalytic Subunit Ec: 4.1.1.21 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnc2
symmetry	Space Group: P 21 21 21	R_factor 0.203 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 86.920 94.550 149.960 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	AIR, MSE	enzyme	Lyase E.C.4.1.1.21 BRENDA
related structures	by homologous chain: 1QCZ
Gene Ontology	Chain Function Process Component A, O, M, N, D, C, L, B
Primary reference	Crystal structure of Escherichia coli PurE, an unusual mutase in the purine biosynthetic pathway., Mathews II, Kappock TJ, Stubbe J, Ealick SE, Structure Fold Des 1999 Nov 15;7(11):1395-406. PMID:10574791

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (202 Kb) [Save to disk] Biological Unit Coordinates (1d7a.pdb1.gz) 191 Kb LPC: Ligand-Protein Contacts for 1D7A CSU: Contacts of Structural Units for 1D7A Likely Quarternary Molecular Structure file(s) for 1D7A Retrieve 1D7A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1D7A from S2C, [Save to disk]

View 1D7A 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 1D7A

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1D7A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1d7aa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1d7ab_, region B [Jmol] [rasmolscript] [script source]     - Domain d1d7ac_, region C [Jmol] [rasmolscript] [script source]     - Domain d1d7ad_, region D [Jmol] [rasmolscript] [script source]     - Domain d1d7al_, region L [Jmol] [rasmolscript] [script source]     - Domain d1d7am_, region M [Jmol] [rasmolscript] [script source]     - Domain d1d7an_, region N [Jmol] [rasmolscript] [script source]     - Domain d1d7ao_, region O [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: [1d7a_B] [1d7a_C] [1d7a_L] [1d7a] [1d7a_A] [1d7a_M] [1d7a_D] [1d7a_N] [1d7a_O] SWISS-PROT database: [P0AG18] Domain organization of [PUR6_ECOLI] by SWISSPFAM Domain found in 1D7A: [AIRC ] by SMART

Other resources with information on 1D7A

Community annotation for 1D7A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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