1AQH	Hydrolase	date	Jul 30, 1997
title	Alpha-Amylase From Alteromonas Haloplanctis
authors	N.Aghajari, R.Haser
compound		source
Molecule: Alpha-Amylase Chain: A Ec: 3.2.1.1 Engineered: Yes		Organism_scientific: Pseudoalteromonas Haloplanktis Organism_taxid: 228 Strain: A23 Cell_line: Rr1 Gene: Amy Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Rr1
symmetry	Space Group: C 2 2 21	R_factor 0.157 R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.400 138.700 115.700 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA, CL	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1AQM, 1L0P
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of the psychrophilic alpha-amylase from Alteromonas haloplanctis in its native form and complexed with an inhibitor., Aghajari N, Feller G, Gerday C, Haser R, Protein Sci 1998 Mar;7(3):564-72. PMID:9541387

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk] Biological Unit Coordinates (1aqh.pdb1.gz) 95 Kb LPC: Ligand-Protein Contacts for 1AQH CSU: Contacts of Structural Units for 1AQH Likely Quarternary Molecular Structure file(s) for 1AQH Structure Factors (255 Kb) Retrieve 1AQH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AQH from S2C, [Save to disk] Re-refined 1aqh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AQH 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 1AQH

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 1AQH, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1aqh_2, region 1-354 [Jmol] [rasmolscript] [script source]     - Domain d1aqh_1, region 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: [1aqh_A] [1aqh] SWISS-PROT database: [P29957] Domain organization of [AMY_PSEHA] by SWISSPFAM Domains found in 1AQH: [Aamy] [Aamy_C ] by SMART

Other resources with information on 1AQH

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

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