1EZF	Transferase	date	May 10, 2000
title	Crystal Structure Of Human Squalene Synthase
authors	J.Pandit, D.E.Danley, G.K.Schulte, S.M.Mazzalupo, T.A.Pauly, C.M. E.S.Hamanaka, J.F.Thompson, H.J.Harwood
compound		source
Molecule: Farnesyl-Diphosphate Farnesyltransferase Chain: A, B, C Fragment: Residues 31-370 Synonym: Squalene Synthetase Ec: 2.5.1.21 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phss9
symmetry	Space Group: P 21 21 21	R_factor 0.213 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.760 87.920 154.170 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	IN0	enzyme	Transferase E.C.2.5.1.21 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Crystal structure of human squalene synthase. A key enzyme in cholesterol biosynthesis., Pandit J, Danley DE, Schulte GK, Mazzalupo S, Pauly TA, Hayward CM, Hamanaka ES, Thompson JF, Harwood HJ Jr, J Biol Chem 2000 Sep 29;275(39):30610-7. PMID:10896663

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (170 Kb) [Save to disk] Biological Unit Coordinates (1ezf.pdb1.gz) 56 Kb Biological Unit Coordinates (1ezf.pdb2.gz) 57 Kb Biological Unit Coordinates (1ezf.pdb3.gz) 56 Kb LPC: Ligand-Protein Contacts for 1EZF CSU: Contacts of Structural Units for 1EZF Likely Quarternary Molecular Structure file(s) for 1EZF Structure Factors (332 Kb) Retrieve 1EZF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EZF from S2C, [Save to disk] Re-refined 1ezf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EZF in 3D

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Visual 3D analysis of 1EZF

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 1EZF, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ezfa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ezfb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ezfc_, 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: [1ezf_A] [1ezf] [1ezf_C] [1ezf_B] SWISS-PROT database: [P37268] Domain organization of [FDFT_HUMAN] by SWISSPFAM

Other resources with information on 1EZF

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

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