1XBA	Transferase	date	Aug 30, 2004
title	Crystal Structure Of Apo Syk Tyrosine Kinase Domain
authors	S.Atwell, J.M.Adams, J.Badger, M.D.Buchanan, I.K.Feil, K.J.Fronin J.Hendle, K.Keegan, B.C.Leon, H.J.Muller-Deickmann, V.L.Nienabe B.W.Noland, K.Post, K.R.Rajashankar, A.Ramos, M.Russell, S.K.Bur S.G.Buchanan
compound		source
Molecule: Tyrosine-Protein Kinase Syk Chain: A Synonym: Spleen Tyrosine Kinase Ec: 2.7.1.112 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Syk Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 21 21 21	R_factor 0.231 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.785 84.721 90.186 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Transferase E.C.2.7.1.112 BRENDA
related structures	by homologous chain: 1XBB, 1XBC
Gene Ontology	Chain Function Process Component A
Primary reference	A novel mode of Gleevec binding is revealed by the structure of spleen tyrosine kinase., Atwell S, Adams JM, Badger J, Buchanan MD, Feil IK, Froning KJ, Gao X, Hendle J, Keegan K, Leon BC, Muller-Dieckmann HJ, Nienaber VL, Noland BW, Post K, Rajashankar KR, Ramos A, Russell M, Burley SK, Buchanan SG, J Biol Chem 2004 Dec 31;279(53):55827-32. Epub 2004 Oct 26. PMID:15507431

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1xba.pdb1.gz) 42 Kb CSU: Contacts of Structural Units for 1XBA Likely Quarternary Molecular Structure file(s) for 1XBA Structure Factors (184 Kb) Retrieve 1XBA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XBA from S2C, [Save to disk] Re-refined 1xba structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XBA 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 1XBA

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 1XBA, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xbaa_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xba] [1xba_A] SWISS-PROT database: [P43405] Domain organization of [KSYK_HUMAN] by SWISSPFAM Domain found in 1XBA: [TyrKc ] by SMART

Other resources with information on 1XBA

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

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