1SRQ	Signaling Protein	date	Mar 23, 2004
title	Crystal Structure Of The Rap1gap Catalytic Domain
authors	O.Daumke, M.Weyand, P.P.Chakrabarti, I.R.Vetter, A.Wittinghofer
compound		source
Molecule: Gtpase-Activating Protein 1 Chain: A, B, C, D Fragment: Residues 75-415, Catalytic Fragment Synonym: Rap1gap Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rap1ga1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex4t1
symmetry	Space Group: P 21 21 2	R_factor 0.232 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 170.700 224.500 48.700 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	MPD, SO4	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	The GTPase-activating protein Rap1GAP uses a catalytic asparagine., Daumke O, Weyand M, Chakrabarti PP, Vetter IR, Wittinghofer A, Nature 2004 May 13;429(6988):197-201. PMID:15141215

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (168 Kb) [Save to disk] Biological Unit Coordinates (1srq.pdb1.gz) 99 Kb Biological Unit Coordinates (1srq.pdb2.gz) 62 Kb LPC: Ligand-Protein Contacts for 1SRQ CSU: Contacts of Structural Units for 1SRQ Likely Quarternary Molecular Structure file(s) for 1SRQ Structure Factors (324 Kb) Retrieve 1SRQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SRQ from S2C, [Save to disk] Re-refined 1srq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SRQ 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 1SRQ

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 1SRQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1srqa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1srqb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1srqc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1srqd_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1srq_C] [1srq_A] [1srq_D] [1srq_B] [1srq] SWISS-PROT database: [P47736] Domain organization of [RPGP1_HUMAN] by SWISSPFAM

Other resources with information on 1SRQ

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

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