1HW5	Gene Regulation	date	Jan 09, 2001
title	The Capcrp Variant T127ls128a
authors	S.Y.Chu, M.Tordova, G.L.Gilliland, I.Gorshkova, Y.Shi
compound		source
Molecule: Catabolite Gene Activator Chain: A, B Synonym: Camp Receptor Protein Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Crpcap Expression_system: Escherichia Coli K12 Expression_system_taxid: 83333 Expression_system_strain: K12 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 21 21 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.100 93.100 104.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.82 Å
ligand	CMP BindingDB	enzyme
related structures	by homologous chain: 1I5Z
Gene Ontology	Chain Function Process Component A, B
Primary reference	The structure of the T127L/S128A mutant of cAMP receptor protein facilitates promoter site binding., Chu SY, Tordova M, Gilliland GL, Gorshkova I, Shi Y, Wang S, Schwarz FP, J Biol Chem 2001 Apr 6;276(14):11230-6. Epub 2000 Dec 21. PMID:11124966

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk] Biological Unit Coordinates (1hw5.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 1HW5 CSU: Contacts of Structural Units for 1HW5 Likely Quarternary Molecular Structure file(s) for 1HW5 Structure Factors (270 Kb) Retrieve 1HW5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HW5 from S2C, [Save to disk] Re-refined 1hw5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HW5 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 1HW5

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 1HW5, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hw5a2, region A:1-137 [Jmol] [rasmolscript] [script source]     - Domain d1hw5a1, region A:138-208 [Jmol] [rasmolscript] [script source]     - Domain d1hw5b2, region B:1-137 [Jmol] [rasmolscript] [script source]     - Domain d1hw5b1, region B:138-205 [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: [1hw5_B] [1hw5_A] [1hw5] SWISS-PROT database: [P0ACJ8] Domain organization of [CRP_ECOLI] by SWISSPFAM Domains found in 1HW5: [HTH_CRP] [cNMP ] by SMART

Other resources with information on 1HW5

Community annotation for 1HW5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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