3RW9	Transferase	date	May 08, 2011
title	Crystal Structure Of Human Spermidine Synthase In Complex Wi Decarboxylated S-Adenosylhomocysteine
authors	J.Seckute, D.E.Mccloskey, H.J.Thomas, J.A.Secrist Iii, A.E.Pegg, S.E.Ealick
compound		source
Molecule: Spermidine Synthase Chain: A, B Synonym: Spdsy, Putrescine Aminopropyltransferase Ec: 2.5.1.16 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Srm, Sps1, Srml1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Modified Pet28a(+)
symmetry	Space Group: P 1 21 1	R_factor 0.211 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.177 60.816 87.021 90.00 108.05 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	DSH	enzyme	Transferase E.C.2.5.1.16 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Binding and inhibition of human spermidine synthase by decarboxylated S-adenosylhomocysteine., Seckute J, McCloskey DE, Thomas HJ, Secrist JA 3rd, Pegg AE, Ealick SE, Protein Sci. 2011 Aug 24. doi: 10.1002/pro.717. PMID:21898642

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (3rw9.pdb1.gz) 96 Kb LPC: Ligand-Protein Contacts for 3RW9 CSU: Contacts of Structural Units for 3RW9 Structure Factors (471 Kb) Retrieve 3RW9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3RW9 from S2C, [Save to disk] Re-refined 3rw9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3RW9 in 3D

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Visual 3D analysis of 3RW9

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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 3RW9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3rw9] [3rw9_A] [3rw9_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3RW9

Community annotation for 3RW9 at PDBWiki (http://pdbwiki.org)

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