1A36	Isomerase Dna	date	Jan 29, 1998
title	Topoisomerase Idna Complex
authors	L.Stewart, M.R.Redinbo, X.Qiu, J.J.Champoux, W.G.J.Hol
compound		source
Molecule: Dna (5'- D(Apapapapapgpapcptptpapgpapapapapa Ptptptptpt)- 3'); Chain: B Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'- D(Apapapapaptptptptptpcptpapapgptpc Ptptptptpt)- 3'); Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Topoisomerase I Chain: A Fragment: Core Domain And C-Terminal Domain Ec: 5.99.1.2 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cellular_location: Nucleus Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_vector: Baculovirus
symmetry	Space Group: P 1 21 1	R_factor 0.224 R_Free 0.312
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.500 118.400 71.500 90.00 101.20 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand		enzyme	Isomerase E.C.5.99.1.2 BRENDA
note	1A36 (Molecule of the Month:pdb73)
related structures	by homologous chain: 1RR8, 1SC7
Gene Ontology	Chain Function Process Component A
Primary reference	A model for the mechanism of human topoisomerase I., Stewart L, Redinbo MR, Qiu X, Hol WG, Champoux JJ, Science 1998 Mar 6;279(5356):1534-41. PMID:9488652

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk] Biological Unit Coordinates (1a36.pdb1.gz) 105 Kb CSU: Contacts of Structural Units for 1A36 Likely Quarternary Molecular Structure file(s) for 1A36 Retrieve 1A36 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A36 from S2C, [Save to disk]

View 1A36 in 3D

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Visual 3D analysis of 1A36

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A36, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a36a3, region A:215-430 [Jmol] [rasmolscript] [script source]     - Domain d1a36a2, region A:431-633,A:713-765 [Jmol] [rasmolscript] [script source]     - Domain d1a36a1, region A:641-712 [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: [1a36_C] [1a36] [1a36_A] [1a36_B] SWISS-PROT database: [P11387] Domain organization of [TOP1_HUMAN] by SWISSPFAM Domain found in 1A36: [TOPEUc ] by SMART

Other resources with information on 1A36

Community annotation for 1A36 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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