1CKT	Gene Regulation Dna	date	Apr 23, 1999
title	Crystal Structure Of Hmg1 Domain A Bound To A Cisplatin-Modi Duplex
authors	U.M.Ohndorf, M.A.Rould, C.O.Pabo, S.J.Lippard
compound		source
Molecule: Dna (5'-D(Cpcp(5iu) Pcptpcptpgpgpapcpcptptpcpc)-3'); Chain: B Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'-D(Gpgpapapgpgptpcpcpapgpapgp 3'); Chain: C Engineered: Yes		Synthetic: Yes
Molecule: High Mobility Group 1 Protein Chain: A Fragment: Residues 8-78, Domain A Synonym: Hmg-1, Amphoterin, Heparin-Binding Protein P30 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Strain: Soragye-Dawley Tissue: Liver Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_plasmid: Pt7-Hmg1ba Expression_system_gene: Hmg1 Domain A (M1-F89)
symmetry	Space Group: C 1 2 1	R_factor 0.238 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.210 50.410 53.130 90.00 99.82 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	5IU, CPT	enzyme
note	1CKT is a representative structure
related structures	by homologous chain: 1J3X
Gene Ontology	Chain Function Process Component A
Primary reference	Basis for recognition of cisplatin-modified DNA by high-mobility-group proteins., Ohndorf UM, Rould MA, He Q, Pabo CO, Lippard SJ, Nature 1999 Jun 17;399(6737):708-12. PMID:10385126

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk] Biological Unit Coordinates (1ckt.pdb1.gz) 26 Kb LPC: Ligand-Protein Contacts for 1CKT CSU: Contacts of Structural Units for 1CKT Likely Quarternary Molecular Structure file(s) for 1CKT Retrieve 1CKT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CKT from S2C, [Save to disk]

View 1CKT 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 1CKT

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CKT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ckta_, region A [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: [1ckt] [1ckt_B] [1ckt_A] [1ckt_C] SWISS-PROT database: [P63159] Domain organization of [HMGB1_RAT] by SWISSPFAM Domain found in 1CKT: [HMG ] by SMART

Other resources with information on 1CKT

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

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