2AYH	Hydrolase (Glucanase)	date	Feb 02, 1995
title	Crystal And Molecular Structure At 1.6 Angstroms Resolution Of The Hybrid Bacillus Endo-1,3-1,4-Beta-D-Glucan 4- Glucanohydrolase H(A16-M)
authors	M.Hahn, T.Keitel, U.Heinemann
compound		source
Molecule: 1,3-1,4-Beta-D-Glucan 4-Glucanohydrolase Chain: A Ec: 3.2.1.73 Engineered: Yes		Organism_scientific: Hybrid Organism_taxid: 37965 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbr322
symmetry	Space Group: P 21 21 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.180 78.260 39.230 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	CA	enzyme	Hydrolase E.C.3.2.1.73 BRENDA
note	2AYH (Molecule of the Month:pdb124)supersedes 1AYH
related structures	by homologous chain: 1CPN
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal and molecular structure at 0.16-nm resolution of the hybrid Bacillus endo-1,3-1,4-beta-D-glucan 4-glucanohydrolase H(A16-M)., Hahn M, Keitel T, Heinemann U, Eur J Biochem 1995 Sep 15;232(3):849-58. PMID:7588726

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (2ayh.pdb1.gz) 39 Kb LPC: Ligand-Protein Contacts for 2AYH CSU: Contacts of Structural Units for 2AYH Likely Quarternary Molecular Structure file(s) for 2AYH Structure Factors (165 Kb) Retrieve 2AYH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AYH from S2C, [Save to disk] Re-refined 2ayh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AYH 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 2AYH

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 2AYH, from MSDmotif at EBI Genome occurence of 2AYH's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2ayh__, region [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: [2ayh_A] [2ayh] SWISS-PROT database: [P23904] Domain organization of [GUB_PAEMA] by SWISSPFAM

Other resources with information on 2AYH

Community annotation for 2AYH at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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