1XH0	Hydrolase	date	Sep 17, 2004
title	Structure Of The N298s Variant Of Human Pancreatic Alpha-Amy Complexed With Acarbose
authors	R.Maurus, A.Begum, H.H.Kuo, A.Racaza, S.Numao, C.M.Overall, S.G.Wi G.D.Brayer
compound		source
Molecule: Alpha-Amylase, Pancreatic Chain: A Synonym: 1,4-Alpha-D-Glucan Glucanohydrolase, Pancreatic Al Amylase, Pa; Ec: 3.2.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Pichia Pastoris Expression_system_taxid: 4922
symmetry	Space Group: P 21 21 21	R_factor 0.164 R_Free 0.205
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.400 69.100 132.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	AAO, NAG, PCA	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1MFU, 2CPU
Gene Ontology	Chain Function Process Component A
Primary reference	Structural and mechanistic studies of chloride induced activation of human pancreatic alpha-amylase., Maurus R, Begum A, Kuo HH, Racaza A, Numao S, Andersen C, Tams JW, Vind J, Overall CM, Withers SG, Brayer GD, Protein Sci 2005 Mar;14(3):743-55. PMID:15722449

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (90 Kb) [Save to disk] Biological Unit Coordinates (1xh0.pdb1.gz) 85 Kb LPC: Ligand-Protein Contacts for 1XH0 CSU: Contacts of Structural Units for 1XH0 Likely Quarternary Molecular Structure file(s) for 1XH0 Retrieve 1XH0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XH0 from S2C, [Save to disk]

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Visual 3D analysis of 1XH0

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1XH0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xh0_A] [1xh0] SWISS-PROT database: [P04746] Domain organization of [AMYP_HUMAN] by SWISSPFAM Domains found in 1XH0: [Aamy] [Aamy_C ] by SMART

Other resources with information on 1XH0

Community annotation for 1XH0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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