1B0I	Hydrolase	date	Nov 10, 1998
title	Alpha-Amylase From Alteromonas Haloplanctis
authors	N.Aghajari, R.Haser
compound		source
Molecule: Protein (Alpha-Amylase) Chain: A Ec: 3.2.1.1 Engineered: Yes		Organism_scientific: Pseudoalteromonas Haloplanktis Organism_taxid: 228 Strain: Alteromonas Haloplanctis A23 Gene: Amy Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.180 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.800 80.300 120.100 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	CA, CL	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1JD9, 1KXH
Gene Ontology	Chain Function Process Component A
Primary reference	Structures of the psychrophilic Alteromonas haloplanctis alpha-amylase give insights into cold adaptation at a molecular level., Aghajari N, Feller G, Gerday C, Haser R, Structure 1998 Dec 15;6(12):1503-16. PMID:9862804

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (1b0i.pdb1.gz) 86 Kb LPC: Ligand-Protein Contacts for 1B0I CSU: Contacts of Structural Units for 1B0I Likely Quarternary Molecular Structure file(s) for 1B0I Structure Factors (169 Kb) Retrieve 1B0I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B0I from S2C, [Save to disk] Re-refined 1b0i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B0I 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 1B0I

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 1B0I, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b0ia2, region A:1-354 [Jmol] [rasmolscript] [script source]     - Domain d1b0ia1, region A:355-448 [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: [1b0i] [1b0i_A] SWISS-PROT database: [P29957] Domain organization of [AMY_PSEHA] by SWISSPFAM Domains found in 1B0I: [Aamy] [Aamy_C ] by SMART

Other resources with information on 1B0I

Community annotation for 1B0I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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