3HL5	Ligase	date	May 26, 2009
title	Crystal Structure Of Xiap Bir3 With Cs3
authors	S.G.Hymowitz
compound		source
Molecule: Baculoviral Iap Repeat-Containing Protein 4 Chain: A, B Fragment: Bir3, Unp Residues 256-346 Synonym: E3 Ubiquitin-Protein Ligase Xiap, Inhibitor Of Apo Protein 3, X-Linked Inhibitor Of Apoptosis Protein, X-Linke Iap-Like Protein, Hilp; Ec: 6.3.2.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Api3, Birc4, Iap3, Xiap Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl-21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: C 1 2 1	R_factor 0.176 R_Free 0.209
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.913 39.940 49.929 90.00 100.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	9JZ, ZN BindingDB	enzyme	Ligase E.C.6.3.2 BRENDA
Primary reference	Antagonism of c-IAP and XIAP proteins is required for efficient induction of cell death by small-molecule IAP antagonists., Ndubaku C, Varfolomeev E, Wang L, Zobel K, Lau K, Elliott LO, Maurer B, Fedorova AV, Dynek JN, Koehler M, Hymowitz SG, Tsui V, Deshayes K, Fairbrother WJ, Flygare JA, Vucic D, ACS Chem Biol. 2009 Jul 17;4(7):557-66. PMID:19492850

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (3hl5.pdb1.gz) 19 Kb Biological Unit Coordinates (3hl5.pdb2.gz) 18 Kb LPC: Ligand-Protein Contacts for 3HL5 CSU: Contacts of Structural Units for 3HL5 Likely Quarternary Molecular Structure file(s) for 3HL5 Structure Factors (269 Kb) Retrieve 3HL5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HL5 from S2C, [Save to disk] Re-refined 3hl5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HL5 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 3HL5

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 3HL5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3hl5_B] [3hl5] [3hl5_A] SWISS-PROT database: [P98170] Domain organization of [XIAP_HUMAN] by SWISSPFAM Domain found in 3HL5: [BIR ] by SMART

Other resources with information on 3HL5

Community annotation for 3HL5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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