3DEM	Hydrolase	date	Jun 10, 2008
title	Cub1-Egf-Cub2 Domain Of Human Masp-13
authors	C.Gaboriaud
compound		source
Molecule: Complement Factor Masp-3 Chain: A, B Fragment: Cub1-Egf-Cub2 Domain Synonym: Masp-13, Mannan-Binding Lectin Serine Peptidase 1 Activating Component Of Ra-Reactive Factor), Isoform Cra_d, Binding Lectin Serine Peptidase 1, C4c2 Activating Compone Reactive Factor; Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Masp1 Expression_system_cell_line: High Five Cells Expression_system_vector_type: Baculovirus Other_details: Baculovirusinsect Cell System
symmetry	Space Group: C 2 2 21	R_factor 0.222 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.692 110.232 190.587 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CA, NAG	enzyme	Hydrolase E.C.3.4.21 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the CUB1-EGF-CUB2 domain of human MASP-1/3 and identification of its interaction sites with mannan-binding lectin and ficolins., Teillet F, Gaboriaud C, Lacroix M, Martin L, Arlaud GJ, Thielens NM, J Biol Chem. 2008 Sep 12;283(37):25715-24. Epub 2008 Jul 2. PMID:18596036

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk] Biological Unit Coordinates (3dem.pdb1.gz) 89 Kb LPC: Ligand-Protein Contacts for 3DEM CSU: Contacts of Structural Units for 3DEM Likely Quarternary Molecular Structure file(s) for 3DEM Structure Factors (234 Kb) Retrieve 3DEM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DEM from S2C, [Save to disk] Re-refined 3dem structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DEM 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.

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3DEM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dem] [3dem_A] [3dem_B] SWISS-PROT database: [P48740] Domain organization of [MASP1_HUMAN] by SWISSPFAM Domains found in 3DEM: [CUB] [EGF_CA ] by SMART

Other resources with information on 3DEM

Community annotation for 3DEM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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