1DZA	Hydrolase	date	Feb 21, 2000
title	3-D Structure Of A Hp-Rnase
authors	J.Pous, A.Canals, S.S.Terzyan, A.Guasch, A.Benito, M.Ribo, M.Vilanova, M.Coll
compound		source
Molecule: Ribonuclease 1 Chain: A, B Synonym: Rnase 1, Hp-Rnase Ec: 3.1.27.5 Engineered: Yes Mutation: Yes Other_details: 100a Formilmethionine (Fme)		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Pancreas Gene: Pm7 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pm7 Expression_system_gene: Pm7 Other_details: Synthetic Gene
symmetry	Space Group: P 21 21 21	R_factor 0.185 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 27.850 67.420 114.140 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.65 Å
ligand	FME	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
related structures	by homologous chain: 1N3Z, 1W4O
Gene Ontology	Chain Function Process Component A, B nuclease activity endonuclease activity pancreatic ribonuclease acti... protein binding hydrolase activity nucleic acid phosphodiester ... extracellular region
Primary reference	Three-dimensional structure of a human pancreatic ribonuclease variant, a step forward in the design of cytotoxic ribonucleases., Pous J, Canals A, Terzyan SS, Guasch A, Benito A, Ribo M, Vilanova M, Coll M, J Mol Biol 2000 Oct 13;303(1):49-60. PMID:11021969

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1dza.pdb1.gz) 23 Kb Biological Unit Coordinates (1dza.pdb2.gz) 23 Kb LPC: Ligand-Protein Contacts for 1DZA CSU: Contacts of Structural Units for 1DZA Likely Quarternary Molecular Structure file(s) for 1DZA Retrieve 1DZA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DZA from S2C, [Save to disk]

View 1DZA 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 1DZA

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 1DZA, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dzaa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1dzab_, region B [Jmol] [rasmolscript] [script source] Fold representative 1dza 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: [1dza_A] [1dza_B] SWISS-PROT database: [P07998] Domain organization of [RNAS1_HUMAN] by SWISSPFAM Domain found in 1DZA: [RNAse_Pc ] by SMART Alignments of the sequence of 1DZA with the sequences similar proteins can be viewed for 1DZA's classification [RNAS1_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 [RNAS1_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1DZA

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

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