1UMR	Sugar Binding Protein	date	Aug 28, 2003
title	Crystal Structure Of The Platelet Activator Convulxin, A Dis Linked A4b4 Cyclic Tetramer From The Venom Of Crotalus Duri Terrificus
authors	M.T.Murakami, S.P.Zela, L.M.Gava, S.Michelan-Duarte, A.C.O.Cintr R.K.Arni
compound		source
Molecule: Convulxin Alpha Chain: A, B Synonym: Cvx Alpha		Organism_scientific: Crotalus Durissus Terrificus Organism_common: South American Rattlesnake Organism_taxid: 8732 Tissue: Venom Gland
Molecule: Convulxin Beta Chain: C, D Synonym: Cvx Beta		Organism_scientific: Crotalus Durissus Terrificus Organism_common: South American Rattlesnake Organism_taxid: 8732 Tissue: Venom Gland
symmetry	Space Group: I 4	R_factor 0.187 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 131.906 131.906 112.849 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
related structures	by homologous chain: 1C3A, 1IJK
Gene Ontology	Chain Function Process Component A, D, C, B toxin activity
Primary reference	Crystal structure of the platelet activator convulxin, a disulfide-linked alpha4beta4 cyclic tetramer from the venom of Crotalus durissus terrificus., Murakami MT, Zela SP, Gava LM, Michelan-Duarte S, Cintra AC, Arni RK, Biochem Biophys Res Commun. 2003 Oct 17;310(2):478-82. PMID:14521935

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (1umr.pdb1.gz) 178 Kb Biological Unit Coordinates (1umr.pdb2.gz) 178 Kb Biological Unit Coordinates (1umr.pdb3.gz) 354 Kb CSU: Contacts of Structural Units for 1UMR Likely Quarternary Molecular Structure file(s) for 1UMR Structure Factors (521 Kb) Retrieve 1UMR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UMR from S2C, [Save to disk] Re-refined 1umr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UMR 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 1UMR

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 1UMR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1umra_, region A [Jmol] [rasmolscript] [script source]     - Domain d1umrb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1umrc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1umrd_, region D [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: [1umr_C] [1umr_B] [1umr_A] [1umr_D] [1umr] SWISS-PROT database: [O93426] [O93427] Domain organization of [CVXA_CRODU] [CVXB_CRODU] by SWISSPFAM Domain found in 1UMR: [CLECT ] by SMART

Other resources with information on 1UMR

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

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