1K5A	Hydrolase	date	Oct 10, 2001
title	Crystal Structure Of Human Angiogenin Double Variant I119af
authors	D.D.Leonidas, R.Shapiro, G.V.Subbarao, A.Russo, K.R.Acharya
compound		source
Molecule: Angiogenin Chain: A Ec: 3.1.27.- Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor 0.193 R_Free 0.281
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.120 41.160 33.660 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.33 Å
ligand		enzyme	Hydrolase E.C.3.1.27 BRENDA
related structures	by homologous chain: 1ANG, 1GV7
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity ribonuclease activity nucleus
Primary reference	Crystallographic studies on the role of the C-terminal segment of human angiogenin in defining enzymatic potency., Leonidas DD, Shapiro R, Subbarao GV, Russo A, Acharya KR, Biochemistry 2002 Feb 26;41(8):2552-62. PMID:11851402

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk] Biological Unit Coordinates (1k5a.pdb1.gz) 20 Kb CSU: Contacts of Structural Units for 1K5A Likely Quarternary Molecular Structure file(s) for 1K5A Retrieve 1K5A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K5A from S2C, [Save to disk]

View 1K5A 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 1K5A

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1K5A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k5aa_, region A [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: [1k5a] [1k5a_A] SWISS-PROT database: [P03950] Domain organization of [ANGI_HUMAN] by SWISSPFAM Domain found in 1K5A: [RNAse_Pc ] by SMART

Other resources with information on 1K5A

Community annotation for 1K5A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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