1Q1T	Protein Transport	date	Jul 22, 2003
title	Mouse Importin Alpha: Non-Phosphorylated Sv40 Cn Peptide Com
authors	M.R.M.Fontes, T.Teh, G.Toth, A.John, I.Pavo, D.A.Jans, B.Kobe
compound		source
Molecule: Large T Antigen Chain: A, B Fragment: Cn Peptide Engineered: Yes Mutation: Yes		Synthetic: Yes Other_details: The Peptide Was Chemically Synthesized. The Of This Peptide Is Naturally Found In Simian Virus 40 (Sv40 Tumor-Antigen;
Molecule: Importin Alpha-2 Subunit Chain: C Fragment: Nls Binding Domain (70-529) Synonym: Karyopherin Alpha-2 Subunit, Srp1-Alpha, Rag Cohor 1, Pendulin, Pore Targeting Complex 58 Kda Subunit, Ptac58, Alpha P1; Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Gene: Kpna2 Or Rch1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pet30a
symmetry	Space Group: P 21 21 21	R_factor 0.202 R_Free 0.233
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.157 89.282 100.335 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
related structures	by homologous chain: 1IAL, 1PJM
Gene Ontology	Chain Function Process Component C
Primary reference	Role of flanking sequences and phosphorylation in the recognition of the simian-virus-40 large T-antigen nuclear localization sequences by importin-alpha., Fontes MR, Teh T, Toth G, John A, Pavo I, Jans DA, Kobe B, Biochem J 2003 Oct 15;375(Pt 2):339-49. PMID:12852786

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (79 Kb) [Save to disk] Biological Unit Coordinates (1q1t.pdb1.gz) 74 Kb CSU: Contacts of Structural Units for 1Q1T Likely Quarternary Molecular Structure file(s) for 1Q1T Structure Factors (186 Kb) Retrieve 1Q1T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q1T from S2C, [Save to disk] Re-refined 1q1t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q1T 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 1Q1T

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 1Q1T, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q1tc_, region C [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: [1q1t_A] [1q1t_B] [1q1t_C] [1q1t] SWISS-PROT database: [P52293] [P03070] Domain organization of [IMA2_MOUSE] [LT_SV40] by SWISSPFAM Domain found in 1Q1T: [ARM ] by SMART

Other resources with information on 1Q1T

Community annotation for 1Q1T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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