1ZNC	Lyase	date	Sep 17, 1996
title	Human Carbonic Anhydrase Iv
authors	T.Stams, D.W.Christianson
compound		source
Molecule: Carbonic Anhydrase Iv Chain: A, B Ec: 4.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Human Caiv Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_cell_line: Cho-Cells Expression_system_plasmid: Pcaggs
symmetry	Space Group: C 1 2 1	R_factor 0.197 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.500 47.700 141.000 90.00 106.30 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	SO4, ZN BindingDB	enzyme	Lyase E.C.4.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the secretory form of membrane-associated human carbonic anhydrase IV at 2.8-A resolution., Stams T, Nair SK, Okuyama T, Waheed A, Sly WS, Christianson DW, Proc Natl Acad Sci U S A 1996 Nov 26;93(24):13589-94. PMID:8942978

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (1znc.pdb1.gz) 52 Kb Biological Unit Coordinates (1znc.pdb2.gz) 49 Kb LPC: Ligand-Protein Contacts for 1ZNC CSU: Contacts of Structural Units for 1ZNC Likely Quarternary Molecular Structure file(s) for 1ZNC Retrieve 1ZNC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZNC from S2C, [Save to disk]

View 1ZNC 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 1ZNC

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1ZNC, from MSDmotif at EBI Genome occurence of 1ZNC's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1znca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1zncb_, region B [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: [1znc_B] [1znc] [1znc_A] SWISS-PROT database: [P22748] Domain organization of [CAH4_HUMAN] by SWISSPFAM Domain found in 1ZNC: [Carb_anhydrase ] by SMART

Other resources with information on 1ZNC

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

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