2Q41	Transferase	date	May 31, 2007
title	Ensemble Refinement Of The Protein Crystal Structure Of Sper Synthase From Arabidopsis Thaliana Gene At1g23820
authors	E.J.Levin, D.A.Kondrashov, G.E.Wesenberg, G.N.Phillips Jr., Cent Eukaryotic Structural Genomics (Cesg)
compound		source
Molecule: Spermidine Synthase 1 Chain: A, B, C, D Synonym: Putrescine Aminopropyltransferase 1, Spdsy 1 Ec: 2.5.1.16 Engineered: Yes		Organism_scientific: Arabidopsis Thaliana Organism_common: Thale Cress Organism_taxid: 3702 Strain: Cv. Columbia Gene: Spdsyn1, At1g23820, F5o8.38 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Placi+Rare Expression_system_vector_type: Plasmid Expression_system_plasmid: Pvp-16
symmetry	Space Group: P 1 21 1	R_factor 0.164 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.814 95.207 89.164 90.00 104.96 90.00
method	X-Ray Diffraction, 8 Models	resolution	2.70 Å
ligand	MSE	enzyme	Transferase E.C.2.5.1.16 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Ensemble refinement of protein crystal structures: validation and application., Levin EJ, Kondrashov DA, Wesenberg GE, Phillips GN Jr, Structure. 2007 Sep;15(9):1040-52. PMID:17850744

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1499 Kb) [Save to disk] Biological Unit Coordinates (2q41.pdb1.gz) 189 Kb LPC: Ligand-Protein Contacts for 2Q41 CSU: Contacts of Structural Units for 2Q41 Likely Quarternary Molecular Structure file(s) for 2Q41 Structure Factors (1027 Kb) Retrieve 2Q41 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Q41 from S2C, [Save to disk]

View 2Q41 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 2Q41

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2Q41, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2q41_B] [2q41] [2q41_A] [2q41_C] [2q41_D] SWISS-PROT database: [Q9ZUB3] Domain organization of [SPD1_ARATH] by SWISSPFAM

Other resources with information on 2Q41

Community annotation for 2Q41 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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