2PUF	CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES	date
authors	Lu, F., Schumacher, M.A., Arvidson, D.N., Haldimann, A., Wanner, B.L., Zalkin, H., Brennan, R.G.
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution	3.00
ligand	GUN	enzyme
related structures	by homologous chain: 1BDI, 1PRV
Gene Ontology	Chain Function Process Component A
Primary reference	Structure-based redesign of corepressor specificity of the Escherichia coli purine repressor by substitution of residue 190., Lu F, Schumacher MA, Arvidson DN, Haldimann A, Wanner BL, Zalkin H, Brennan RG, Biochemistry 1998 Jan 27;37(4):971-82. PMID:9454587

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (2puf.pdb1.gz) 102 Kb LPC: Ligand-Protein Contacts for 2PUF CSU: Contacts of Structural Units for 2PUF Likely Quarternary Molecular Structure file(s) for 2PUF Retrieve 2PUF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PUF from S2C, [Save to disk]

View 2PUF 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 2PUF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2PUF, from MSDmotif at EBI Genome occurence of 2PUF's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2pufa1, region A:3-58 [Jmol] [rasmolscript] [script source]     - Domain d2pufa2, region A:59-340 [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: [2puf_A] [2puf_B] [2puf] SWISS-PROT database: [P0ACP7] Domain organization of [PURR_ECOLI] by SWISSPFAM Domain found in 2PUF: [HTH_LACI ] by SMART

Other resources with information on 2PUF

Community annotation for 2PUF at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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