1BSI	Hydrolase	date	Aug 28, 1998
title	Human Pancreatic Alpha-Amylase From Pichia Pastoris, Glycosy Protein
authors	E.H.Rydberg, G.Sidhu, H.C.Vo, J.Hewitt, H.C.F.Cote, Y.Wang, S.Numa R.T.A.Macgillivray, C.M.Overall, G.D.Brayer, S.G.Withers
compound		source
Molecule: Alpha-Amylase Chain: A Ec: 3.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Pancreas Expression_system: Pichia Pastoris Expression_system_taxid: 4922
symmetry	Space Group: P 21 21 21	R_factor 0.184 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.910 68.900 131.770 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA, CL, NAG, PCA	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1KGU, 3CPU
Gene Ontology	Chain Function Process Component A
Primary reference	Cloning, mutagenesis, and structural analysis of human pancreatic alpha-amylase expressed in Pichia pastoris., Rydberg EH, Sidhu G, Vo HC, Hewitt J, Cote HC, Wang Y, Numao S, MacGillivray RT, Overall CM, Brayer GD, Withers SG, Protein Sci 1999 Mar;8(3):635-43. PMID:10091666

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1bsi.pdb1.gz) 83 Kb LPC: Ligand-Protein Contacts for 1BSI CSU: Contacts of Structural Units for 1BSI Likely Quarternary Molecular Structure file(s) for 1BSI Retrieve 1BSI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BSI from S2C, [Save to disk]

View 1BSI 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 1BSI

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1BSI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bsi_2, region 1-403 [Jmol] [rasmolscript] [script source]     - Domain d1bsi_1, region 404-496 [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: [1bsi_A] [1bsi] SWISS-PROT database: [P04746] Domain organization of [AMYP_HUMAN] by SWISSPFAM Domains found in 1BSI: [Aamy] [Aamy_C ] by SMART

Other resources with information on 1BSI

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

Movements, Movies and Images

Domain movements in 1BSI from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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