1O8A	Metalloprotease	date	Nov 26, 2002
title	Crystal Structure Of Human Angiotensin Converting Enzyme (Native).
authors	R.Natesh, S.L.U.Schwager, E.D.Sturrock, K.R.Acharya
compound		source
Molecule: Angiotensin Converting Enzyme Chain: A Fragment: Residues 68-656 Synonym: Ace-T, Dipeptidyl Carboxypeptidase I, Kininase II Ec: 3.4.15.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Testis Expression_system: Cricetulus Griseus Expression_system_taxid: 10029
symmetry	Space Group: P 21 21 21	R_factor 0.18 R_Free 0.22
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.620 85.060 133.790 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.0 Å
ligand	ACT, CL, NAG, NDG, NXA, ZN	enzyme	Hydrolase E.C.3.4.15.1 BRENDA
related structures	by homologous chain: 1O86, 1UZF
Primary reference	Crystal structure of the human angiotensin-converting enzyme-lisinopril complex., Natesh R, Schwager SL, Sturrock ED, Acharya KR, Nature 2003 Jan 30;421(6922):551-4. PMID:12540854

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk] Biological Unit Coordinates (1o8a.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 1O8A CSU: Contacts of Structural Units for 1O8A Likely Quarternary Molecular Structure file(s) for 1O8A Retrieve 1O8A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1O8A from S2C, [Save to disk]

View 1O8A 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 1O8A

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 1O8A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1o8aa_, region A [Jmol] [rasmolscript] [script source] Fold representative 1o8a 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: [1o8a_A] SWISS-PROT database: [P12821] Domain organization of [ACE_HUMAN] by SWISSPFAM Alignments of the sequence of 1O8A with the sequences similar proteins can be viewed for 1O8A'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 1O8A

Community annotation for 1O8A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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