3NPS	Hydrolase Immune System	date	Jun 29, 2010
title	Crystal Structure Of Membrane-Type Serine Protease 1 (Mt-Sp1 Complex With The Fab Inhibitor S4
authors	A.Baharuddin
compound		source
Molecule: Suppressor Of Tumorigenicity 14 Protein Chain: A Fragment: Peptidase S1 Domain (Unp Residues 615-855) Synonym: Serine Protease 14, Matriptase, Membrane-Type Seri Protease 1, Mt-Sp1, Prostamin, Serine Protease Tadg-15, Tum Associated Differentially-Expressed Gene 15 Protein; Ec: 3.4.21.109 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Prss14, Snc19, St14, Tadg15 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
Molecule: S4 Fab Heavy Chain Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmx7fh
Molecule: S4 Fab Light Chain Chain: C Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmx7fh
symmetry	Space Group: P 1 21 1	R_factor 0.188 R_Free 0.228
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.161 83.988 101.394 90.00 91.45 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	CL, EDO, NA	enzyme	Hydrolase E.C.3.4.21.109 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	A reverse binding motif that contributes to specific protease inhibition by antibodies., Schneider EL, Lee MS, Baharuddin A, Goetz DH, Farady CJ, Ward M, Wang CI, Craik CS, J Mol Biol. 2012 Jan 27;415(4):699-715. Epub 2011 Nov 27. PMID:22154938

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (225 Kb) [Save to disk] Biological Unit Coordinates (3nps.pdb1.gz) 219 Kb LPC: Ligand-Protein Contacts for 3NPS CSU: Contacts of Structural Units for 3NPS Structure Factors (1283 Kb) Retrieve 3NPS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3NPS from S2C, [Save to disk] Re-refined 3nps structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3NPS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3nps] [3nps_B] [3nps_C] [3nps_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3NPS: [IG_like] [IGv] [Tryp_SPc ] by SMART

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