1B9Z	Hydrolase	date	Mar 06, 1999
title	Bacillus Cereus Beta-Amylase Complexed With Maltose
authors	B.Mikami, M.Adachi, T.Kage, E.Sarikaya, T.Nanmori, R.Shinke, S.Uts
compound		source
Molecule: Protein (Beta-Amylase) Chain: A Ec: 3.2.1.2 Engineered: Yes		Organism_scientific: Bacillus Cereus Organism_taxid: 1396 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Hms174 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21d
symmetry	Space Group: P 1 21 1	R_factor 0.170 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.160 93.740 66.660 90.00 102.44 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	ACT, CA, GLC, SO4	enzyme	Hydrolase E.C.3.2.1.2 BRENDA
related structures	by homologous chain: 1ITC, 1VEP
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of raw starch-digesting Bacillus cereus beta-amylase complexed with maltose., Mikami B, Adachi M, Kage T, Sarikaya E, Nanmori T, Shinke R, Utsumi S, Biochemistry 1999 Jun 1;38(22):7050-61. PMID:10353816

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk] Biological Unit Coordinates (1b9z.pdb1.gz) 89 Kb LPC: Ligand-Protein Contacts for 1B9Z CSU: Contacts of Structural Units for 1B9Z Likely Quarternary Molecular Structure file(s) for 1B9Z Retrieve 1B9Z in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B9Z from S2C, [Save to disk]

View 1B9Z 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 1B9Z

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B9Z, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b9za2, region A:1-417 [Jmol] [rasmolscript] [script source]     - Domain d1b9za1, region A:418-516 [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: [1b9z] [1b9z_A] SWISS-PROT database: [P36924] Domain organization of [AMYB_BACCE] by SWISSPFAM Domain found in 1B9Z: [CBM_2 ] by SMART

Other resources with information on 1B9Z

Community annotation for 1B9Z at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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