1NUG	Transferase	date	Jan 31, 2003
title	Role Of Calcium Ions In The Activation And Activity Of The Transglutaminase 3 Enzyme (2 Calciums, 1 Mg, Inactive Form)
authors	B.Ahvazi
compound		source
Molecule: Protein-Glutamine Glutamyltransferase E Chain: A, B Synonym: Tgase E, Tge, Tge, Transglutaminase 3 Ec: 2.3.2.13 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Tgm3 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_vector: Pet 11a Vector (Novagen) Pvl1392 (Invitrogen); Expression_system_plasmid: Bac-N_blue, Invitrogen
symmetry	Space Group: P 1	R_factor 0.194 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.510 66.810 116.530 97.24 90.28 98.36
method	X-Ray Diffraction	resolution	2.40 Å
ligand	CA, CL, MG	enzyme	Transferase E.C.2.3.2.13 BRENDA
related structures	by homologous chain: 1NUF, 1RLE
Gene Ontology	Chain Function Process Component A, B magnesium ion binding protein-glutamine gamma-glut... catalytic activity GTPase activity calcium ion binding GTP binding transferase activity transferase activity, transf... GDP binding metal ion binding GTP catabolic process cellular protein modificatio... peptide cross-linking keratinocyte differentiation... hair follicle morphogenesis keratinization cell envelope organization protein tetramerization cytoplasm extrinsic to internal side o...
Primary reference	Roles of calcium ions in the activation and activity of the transglutaminase 3 enzyme., Ahvazi B, Boeshans KM, Idler W, Baxa U, Steinert PM, J Biol Chem 2003 Jun 27;278(26):23834-41. PMID:12679341

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (233 Kb) [Save to disk] Biological Unit Coordinates (1nug.pdb1.gz) 115 Kb Biological Unit Coordinates (1nug.pdb2.gz) 117 Kb LPC: Ligand-Protein Contacts for 1NUG CSU: Contacts of Structural Units for 1NUG Likely Quarternary Molecular Structure file(s) for 1NUG Retrieve 1NUG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NUG from S2C, [Save to disk]

View 1NUG 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 1NUG

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 1NUG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nuga1, region A:1-140 [Jmol] [rasmolscript] [script source]     - Domain d1nuga4, region A:141-461 [Jmol] [rasmolscript] [script source]     - Domain d1nuga2, region A:479-593 [Jmol] [rasmolscript] [script source]     - Domain d1nuga3, region A:594-692 [Jmol] [rasmolscript] [script source]     - Domain d1nugb1, region B:1-140 [Jmol] [rasmolscript] [script source]     - Domain d1nugb4, region B:141-459 [Jmol] [rasmolscript] [script source]     - Domain d1nugb2, region B:473-593 [Jmol] [rasmolscript] [script source]     - Domain d1nugb3, region B:594-692 [Jmol] [rasmolscript] [script source] Fold representative 1nug 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: [1nug_A] [1nug_B] SWISS-PROT database: [Q08188] Domain organization of [TGM3_HUMAN] by SWISSPFAM Domain found in 1NUG: [TGc ] by SMART Alignments of the sequence of 1NUG with the sequences similar proteins can be viewed for 1NUG's classification [TGM3_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 [TGM3_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1NUG

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

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