1KXV	Hydrolase, Immune System	date	Feb 01, 2002
title	Camelid Vhh Domains In Complex With Porcine Pancreatic Alpha
authors	A.Desmyter, S.Spinelli, F.Payan, M.Lauwereys, L.Wyns, S.Muylderma C.Cambillau
compound		source
Molecule: Alpha-Amylase, Pancreatic Chain: A, B Synonym: 1,4-Alpha-D-Glucan Glucanohydrolase Ec: 3.2.1.1		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823 Other_details: Panceatic Enzyme
Molecule: Camelid Vhh Domain Cab10 Chain: C, D Engineered: Yes		Organism_scientific: Camelus Dromedarius Organism_common: Arabian Camel Organism_taxid: 9838 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Wk Expression_system_vector_type: Plasmid Expression_system_plasmid: Phen6
symmetry	Space Group: P 1	R_factor 0.205 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.568 60.990 107.333 98.78 100.88 101.14
method	X-Ray Diffraction	resolution	1.60 Å
ligand		enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1HNY, 1KXQ, 1MVF, 1YC7
Gene Ontology	Chain Function Process Component A, B
Primary reference	Three camelid VHH domains in complex with porcine pancreatic alpha-amylase. Inhibition and versatility of binding topology., Desmyter A, Spinelli S, Payan F, Lauwereys M, Wyns L, Muyldermans S, Cambillau C, J Biol Chem 2002 Jun 28;277(26):23645-50. PMID:11960990

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (219 Kb) [Save to disk] Biological Unit Coordinates (1kxv.pdb1.gz) 109 Kb Biological Unit Coordinates (1kxv.pdb2.gz) 108 Kb CSU: Contacts of Structural Units for 1KXV Likely Quarternary Molecular Structure file(s) for 1KXV Retrieve 1KXV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KXV from S2C, [Save to disk]

View 1KXV 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 1KXV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KXV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kxva2, region A:1-403 [Jmol] [rasmolscript] [script source]     - Domain d1kxva1, region A:404-496 [Jmol] [rasmolscript] [script source]     - Domain d1kxvb2, region B:1-403 [Jmol] [rasmolscript] [script source]     - Domain d1kxvb1, region B:404-496 [Jmol] [rasmolscript] [script source]     - Domain d1kxvc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1kxvd_, region D [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: [1kxv] [1kxv_C] [1kxv_A] [1kxv_B] [1kxv_D] SWISS-PROT database: [P00690] Domain organization of [AMYP_PIG] by SWISSPFAM Domains found in 1KXV: [Aamy] [Aamy_C] [IGv ] by SMART

Other resources with information on 1KXV

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

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