1KI0	Hydrolase	date	Dec 02, 2001
title	The X-Ray Structure Of Human Angiostatin
authors	M.C.Abad, R.K.Arni, D.K.Grella, F.J.Castellino, A.Tulinsky, J.H.Geiger
compound		source
Molecule: Angiostatin Chain: A Ec: 3.4.21.7 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 41 21 2	R_factor 0.196 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.943 56.943 192.966 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	BCN	enzyme	Hydrolase E.C.3.4.21.7 BRENDA
related structures	by homologous chain: 1CEA, 1I5K
Gene Ontology	Chain Function Process Component A serine-type endopeptidase ac... protein binding peptidase activity serine-type peptidase activi... hydrolase activity protein domain specific bind... apolipoprotein binding cell surface binding platelet degranulation proteolysis blood coagulation hemostasis negative regulation of cell ... negative regulation of cell-... extracellular matrix disasse... platelet activation extracellular matrix organiz... fibrinolysis cellular protein metabolic p... tissue remodeling negative regulation of fibri... positive regulation of fibri... negative regulation of cell-... extracellular region extracellular space plasma membrane platelet alpha granule lumen... extrinsic to external side o...
Primary reference	The X-ray crystallographic structure of the angiogenesis inhibitor angiostatin., Abad MC, Arni RK, Grella DK, Castellino FJ, Tulinsky A, Geiger JH, J Mol Biol 2002 May 10;318(4):1009-17. PMID:12054798

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (1ki0.pdb1.gz) 50 Kb LPC: Ligand-Protein Contacts for 1KI0 CSU: Contacts of Structural Units for 1KI0 Likely Quarternary Molecular Structure file(s) for 1KI0 Retrieve 1KI0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KI0 from S2C, [Save to disk]

View 1KI0 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1KI0

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1KI0, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ki0a2, region A:164-250 [Jmol] [rasmolscript] [script source]     - Domain d1ki0a3, region A:251-333 [Jmol] [rasmolscript] [script source]     - Domain d1ki0a1, region A:81-163 [Jmol] [rasmolscript] [script source] Fold representative 1ki0 from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1ki0_A] SWISS-PROT database: [P00747] Domain organization of [PLMN_HUMAN] by SWISSPFAM Domain found in 1KI0: [KR ] by SMART Alignments of the sequence of 1KI0 with the sequences similar proteins can be viewed for 1KI0's classification [PLMN_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [PLMN_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1KI0

Community annotation for 1KI0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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