2C6N	Hydrolase Hydrolase Inhibitor	date	Nov 10, 2005
title	Structure Of Human Somatic Angiontensin-I Converting Enzyme With Lisinopril
authors	H.R.Corradi, S.L.U.Schwager, A.T.Nichinda, E.D.Sturrock, K.R.Ach
compound		source
Molecule: Angiotensin-Converting Enzyme, Somatic Isoform Chain: A, B Fragment: N Domain, Residues 38-649 Synonym: Somatic Angiotensin-I Converting Enzyme N Domain, Dipeptidyl Carboxypeptidase I, Kininase II, Cd143 Antigen; Ec: 3.4.15.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Cho-K1 Expression_system_vector: Pee14
symmetry	Space Group: C 2 2 21	R_factor 0.294 R_Free 0.308
crystal cell	length a length b length c angle alpha angle beta angle gamma 101.300 210.900 171.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	ACT, CL, GOL, LPR, NAG, NDG, ZN BindingDB	enzyme	Hydrolase E.C.3.4.15.1 BRENDA
Primary reference	Crystal structure of the N domain of human somatic angiotensin I-converting enzyme provides a structural basis for domain-specific inhibitor design., Corradi HR, Schwager SL, Nchinda AT, Sturrock ED, Acharya KR, J Mol Biol. 2006 Mar 31;357(3):964-74. Epub 2006 Jan 31. PMID:16476442

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (204 Kb) [Save to disk] Biological Unit Coordinates (2c6n.pdb1.gz) 100 Kb Biological Unit Coordinates (2c6n.pdb2.gz) 99 Kb LPC: Ligand-Protein Contacts for 2C6N CSU: Contacts of Structural Units for 2C6N Likely Quarternary Molecular Structure file(s) for 2C6N Structure Factors (513 Kb) Retrieve 2C6N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C6N from S2C, [Save to disk] Re-refined 2c6n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C6N 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 2C6N

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2C6N, from MSDmotif at EBI Fold representative 2c6n from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c6n_A] [2c6n_B] SWISS-PROT database: [P12821] Domain organization of [ACE_HUMAN] by SWISSPFAM Alignments of the sequence of 2C6N with the sequences similar proteins can be viewed for 2C6N's classification [ACE_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 [ACE_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2C6N

Community annotation for 2C6N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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