1U4C	Cell Cycle	date	Jul 23, 2004
title	Structure Of Spindle Checkpoint Protein Bub3
authors	N.A.Larsen, S.C.Harrison
compound		source
Molecule: Cell Cycle Arrest Protein Bub3 Chain: A, B Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Bub3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl834(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-22b(+)
symmetry	Space Group: P 32	R_factor 0.196 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.266 73.266 110.425 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.35 Å
ligand	MSE	enzyme
related structures	by homologous chain: 1YFQ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the spindle assembly checkpoint protein Bub3., Larsen NA, Harrison SC, J Mol Biol 2004 Dec 3;344(4):885-92. PMID:15544799

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (117 Kb) [Save to disk] Biological Unit Coordinates (1u4c.pdb1.gz) 56 Kb Biological Unit Coordinates (1u4c.pdb2.gz) 58 Kb LPC: Ligand-Protein Contacts for 1U4C CSU: Contacts of Structural Units for 1U4C Likely Quarternary Molecular Structure file(s) for 1U4C Structure Factors (400 Kb) Retrieve 1U4C in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1U4C from S2C, [Save to disk] Re-refined 1u4c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1U4C 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 1U4C

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1U4C, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1u4ca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1u4cb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1u4c] [1u4c_B] [1u4c_A] SWISS-PROT database: [P26449] Domain organization of [BUB3_YEAST] by SWISSPFAM Domain found in 1U4C: [WD40 ] by SMART

Other resources with information on 1U4C

Community annotation for 1U4C at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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