1RR8	Structural Mechanisms of Camptothecin Resistance by Mutations in Human Topoisomerase I	date
authors	Chrencik, J.E., Staker, B.L., Burgin, A.B., Stewart, L., Redinbo, M.R.
compound		source
symmetry		R_factor R_Free 0.294
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution	2.60
ligand	PTR, TTC, TTG BindingDB	enzyme
related structures	by homologous chain: 1A36, 1EJ9
Gene Ontology	Chain Function Process Component C
Primary reference	Mechanisms of camptothecin resistance by human topoisomerase I mutations., Chrencik JE, Staker BL, Burgin AB, Pourquier P, Pommier Y, Stewart L, Redinbo MR, J Mol Biol 2004 Jun 11;339(4):773-84. PMID:15165849

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (117 Kb) [Save to disk] Biological Unit Coordinates (1rr8.pdb1.gz) 108 Kb LPC: Ligand-Protein Contacts for 1RR8 CSU: Contacts of Structural Units for 1RR8 Likely Quarternary Molecular Structure file(s) for 1RR8 Retrieve 1RR8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RR8 from S2C, [Save to disk]

View 1RR8 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 1RR8

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1RR8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rr8c2, region C:201-430 [Jmol] [rasmolscript] [script source]     - Domain d1rr8c1, region C:431-608,C:708-765 [Jmol] [rasmolscript] [script source] Fold representative 1rr8 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1rr8_B] [1rr8_C] [1rr8] [1rr8_A] SWISS-PROT database: [P11387] Domain organization of [TOP1_HUMAN] by SWISSPFAM Domain found in 1RR8: [TOPEUc ] by SMART

Other resources with information on 1RR8

Community annotation for 1RR8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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