137L	Hydrolase(O-Glycosyl)	date	Aug 17, 1993
title	Structural Basis Of Amino Acid Alpha Helix Propensity
authors	M.Blaber, B.W.Matthews
compound		source
Molecule: T4 Lysozyme Chain: A, B Ec: 3.2.1.17 Engineered: Yes		Organism_scientific: Enterobacteria Phage T4 Organism_taxid: 10665 Expression_system_vector_type: Plasmid Expression_system_plasmid: M13
symmetry	Space Group: P 1 21 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.070 55.910 59.860 90.00 103.56 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand		enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 1L37, 220L
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis of amino acid alpha helix propensity., Blaber M, Zhang XJ, Matthews BW, Science 1993 Jun 11;260(5114):1637-40. PMID:8503008

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (137l.pdb1.gz) 30 Kb Biological Unit Coordinates (137l.pdb2.gz) 30 Kb CSU: Contacts of Structural Units for 137L Likely Quarternary Molecular Structure file(s) for 137L Structure Factors (120 Kb) Retrieve 137L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 137L from S2C, [Save to disk] Re-refined 137l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 137L 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 137L

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 137L, from MSDmotif at EBI Genome occurence of 137L's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d137la_, region A [Jmol] [rasmolscript] [script source]     - Domain d137lb_, region B [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: [137l_A] [137l_B] [137l] SWISS-PROT database: [P00720] Domain organization of [LYS_BPT4] by SWISSPFAM

Other resources with information on 137L

Community annotation for 137L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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