1SCQ	Lyase	date	Feb 12, 2004
title	K236l Mutant Of Hydroxynitrile Lyase From Hevea Brasiliensis Complex With Acetonecyanohydrin
authors	K.Gruber, G.Gartler, B.Krammer, H.Schwab, C.Kratky
compound		source
Molecule: (S)-Acetone-Cyanohydrin Lyase Chain: A Synonym: Hydroxynitrile Lyase Ec: 4.1.2.39 Engineered: Yes Mutation: Yes		Organism_scientific: Hevea Brasiliensis Organism_taxid: 3981 Tissue: Leaf Gene: Hnl Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_vector_type: Plasmid Expression_system_plasmid: Bhil-D2
symmetry	Space Group: C 2 2 21	R_factor 0.215 R_Free 0.291
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.542 107.055 128.411 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	CNH, SO4	enzyme	Lyase E.C.4.1.2.39 BRENDA
related structures	by homologous chain: 1DWQ
Gene Ontology	Chain Function Process Component A
Primary reference	Reaction mechanism of hydroxynitrile lyases of the alpha/beta-hydrolase superfamily: the three-dimensional structure of the transient enzyme-substrate complex certifies the crucial role of LYS236., Gruber K, Gartler G, Krammer B, Schwab H, Kratky C, J Biol Chem 2004 May 7;279(19):20501-10. Epub 2004 Mar 3. PMID:14998991

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1scq.pdb1.gz) 82 Kb Biological Unit Coordinates (1scq.pdb2.gz) 42 Kb LPC: Ligand-Protein Contacts for 1SCQ CSU: Contacts of Structural Units for 1SCQ Likely Quarternary Molecular Structure file(s) for 1SCQ Structure Factors (70 Kb) Retrieve 1SCQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SCQ from S2C, [Save to disk] Re-refined 1scq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SCQ 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 1SCQ

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 1SCQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1scqa_, region A [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: [1scq] [1scq_A] SWISS-PROT database: [P52704] Domain organization of [HNL_HEVBR] by SWISSPFAM

Other resources with information on 1SCQ

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

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