2CPU	Hydrolase	date	Jun 08, 1999
title	Subsite Mapping Of The Active Site Of Human Pancreatic Alpha Using Substrates, The Pharmacological Inhibitor Acarbose, A Active Site Variant
authors	G.D.Brayer, G.Sidhu, R.Maurus, E.H.Rydberg, C.Braun, Y.Wang, N.T.N C.M.Overall, S.G.Withers
compound		source
Molecule: Alpha-Amylase Chain: A Ec: 3.2.1.1 Engineered: Yes Mutation: 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 0.167 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.800 68.770 131.360 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA, CL, PCA	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1MFV, 1XH0
Gene Ontology	Chain Function Process Component A
Primary reference	Subsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques., Brayer GD, Sidhu G, Maurus R, Rydberg EH, Braun C, Wang Y, Nguyen NT, Overall CM, Withers SG, Biochemistry 2000 Apr 25;39(16):4778-91. PMID:10769135

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (2cpu.pdb1.gz) 82 Kb LPC: Ligand-Protein Contacts for 2CPU CSU: Contacts of Structural Units for 2CPU Likely Quarternary Molecular Structure file(s) for 2CPU Retrieve 2CPU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CPU from S2C, [Save to disk]

View 2CPU 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 2CPU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2CPU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2cpua2, region A:1-403 [Jmol] [rasmolscript] [script source]     - Domain d2cpua1, region A: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: [2cpu_A] [2cpu] SWISS-PROT database: [P04746] Domain organization of [AMYP_HUMAN] by SWISSPFAM Domains found in 2CPU: [Aamy] [Aamy_C ] by SMART

Other resources with information on 2CPU

Community annotation for 2CPU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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