1MX0	Isomerase	date	Oct 01, 2002
title	Structure Of Topoisomerase Subunit
authors	K.D.Corbett, J.M.Berger
compound		source
Molecule: Type II Dna Topoisomerase Vi Subunit B Chain: A, B, C, D, E, F Ec: 5.99.1.3 Engineered: Yes		Organism_scientific: Sulfolobus Shibatae Organism_taxid: 2286 Gene: Top6b Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor 0.214 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 146.655 219.192 106.921 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ANP, MG, MSE, NA	enzyme	Isomerase E.C.5.99.1.3 BRENDA
related structures	by homologous chain: 1Z5A
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Structure of the topoisomerase VI-B subunit: implications for type II topoisomerase mechanism and evolution., Corbett KD, Berger JM, EMBO J 2003 Jan 2;22(1):151-63. PMID:12505993

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (476 Kb) [Save to disk] Biological Unit Coordinates (1mx0.pdb1.gz) 160 Kb Biological Unit Coordinates (1mx0.pdb2.gz) 160 Kb Biological Unit Coordinates (1mx0.pdb3.gz) 157 Kb LPC: Ligand-Protein Contacts for 1MX0 CSU: Contacts of Structural Units for 1MX0 Likely Quarternary Molecular Structure file(s) for 1MX0 Structure Factors (1239 Kb) Retrieve 1MX0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MX0 from S2C, [Save to disk] Re-refined 1mx0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MX0 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 1MX0

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 1MX0, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mx0a1, region A:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0a2, region A:307-467 [Jmol] [rasmolscript] [script source]     - Domain d1mx0a3, region A:4-228 [Jmol] [rasmolscript] [script source]     - Domain d1mx0b1, region B:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0b2, region B:307-458 [Jmol] [rasmolscript] [script source]     - Domain d1mx0b3, region B:4-228 [Jmol] [rasmolscript] [script source]     - Domain d1mx0c1, region C:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0c2, region C:307-469 [Jmol] [rasmolscript] [script source]     - Domain d1mx0c3, region C:4-228 [Jmol] [rasmolscript] [script source]     - Domain d1mx0d1, region D:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0d2, region D:307-464 [Jmol] [rasmolscript] [script source]     - Domain d1mx0d3, region D:4-228 [Jmol] [rasmolscript] [script source]     - Domain d1mx0e1, region E:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0e2, region E:307-461 [Jmol] [rasmolscript] [script source]     - Domain d1mx0e3, region E:4-228 [Jmol] [rasmolscript] [script source]     - Domain d1mx0f1, region F:229-306 [Jmol] [rasmolscript] [script source]     - Domain d1mx0f2, region F:307-463 [Jmol] [rasmolscript] [script source]     - Domain d1mx0f3, region F:4-228 [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: [1mx0] [1mx0_D] [1mx0_F] [1mx0_B] [1mx0_E] [1mx0_C] [1mx0_A] SWISS-PROT database: [O05207] Domain organization of [TOP6B_SULSH] by SWISSPFAM Domain found in 1MX0: [HATPase_c ] by SMART

Other resources with information on 1MX0

Community annotation for 1MX0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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