1GPZ	Hydrolase	date	Nov 15, 2001
title	The Crystal Structure Of The Zymogen Catalytic Domain Of Com Protease C1r
authors	M.Budayova-Spano, J.C.Fontecilla-Camps, C.Gaboriaud
compound		source
Molecule: Complement C1r Component Chain: A, B Fragment: Catalytic Domain Of Human C1r, Residues 307-705 Synonym: C1r Complement Serine Protease Ec: 3.4.21.41 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_cell_line: High Five Expression_system_vector_type: Baculovirus Other_details: Expression Using A Baculovirusinsect Cells
symmetry	Space Group: P 21 21 21	R_factor 0.242 R_Free 0.290
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.300 101.800 122.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	FUC, MAN, NAG	enzyme	Hydrolase E.C.3.4.21.41 BRENDA
related structures	by homologous chain: 1MD8
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structure of the zymogen catalytic domain of complement protease C1r reveals that a disruptive mechanical stress is required to trigger activation of the C1 complex., Budayova-Spano M, Lacroix M, Thielens NM, Arlaud GJ, Fontecilla-Camps JC, Gaboriaud C, EMBO J 2002 Feb 1;21(3):231-9. PMID:11823416

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk] Biological Unit Coordinates (1gpz.pdb1.gz) 61 Kb Biological Unit Coordinates (1gpz.pdb2.gz) 62 Kb LPC: Ligand-Protein Contacts for 1GPZ CSU: Contacts of Structural Units for 1GPZ Likely Quarternary Molecular Structure file(s) for 1GPZ Structure Factors (201 Kb) Retrieve 1GPZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1GPZ from S2C, [Save to disk] Re-refined 1gpz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1GPZ 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 1GPZ

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 3D motif for 1GPZ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1gpza2, region A:290-357 [Jmol] [rasmolscript] [script source]     - Domain d1gpza3, region A:358-433 [Jmol] [rasmolscript] [script source]     - Domain d1gpza1, region A:434-685 [Jmol] [rasmolscript] [script source]     - Domain d1gpzb2, region B:290-357 [Jmol] [rasmolscript] [script source]     - Domain d1gpzb3, region B:358-433 [Jmol] [rasmolscript] [script source]     - Domain d1gpzb1, region B:434-685 [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: [1gpz_B] [1gpz] [1gpz_A] SWISS-PROT database: [P00736] Domain organization of [C1R_HUMAN] by SWISSPFAM Domains found in 1GPZ: [CCP] [Tryp_SPc ] by SMART

Other resources with information on 1GPZ

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

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