Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyCysteine proteinases 8055403 3001808 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyCsgC/transglutaminase domain-like 8055474 3002048 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyE set domains 8055027 3000070 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyCsgC/transglutaminase domain-like 8055219 3002048 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyE set domains 8055027 3000070 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyCsgC/transglutaminase domain-like 8055474 3002048 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyCsgC/transglutaminase domain-like 8055219 3002048 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyCysteine proteinases 8055403 3001808 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ATransglut_Ne1ggtA8 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_NECOD (1.6)
ATransglut_C_1e1ggtA6 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_C_1ECOD (1.6)
ATransglut_Ce1ggtA7 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_CECOD (1.6)
ATransglut_coree1ggtA5 A: a+b complex topologyX: Cysteine proteinases-likeH: Cysteine proteinases (From Topology)T: Cysteine proteinasesF: Transglut_coreECOD (1.6)
BTransglut_Ne1ggtB7 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_NECOD (1.6)
BTransglut_C_1e1ggtB6 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_C_1ECOD (1.6)
BTransglut_Ce1ggtB3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Transglut_CECOD (1.6)
BTransglut_coree1ggtB5 A: a+b complex topologyX: Cysteine proteinases-likeH: Cysteine proteinases (From Topology)T: Cysteine proteinasesF: Transglut_coreECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A3.90.260.10 Alpha Beta Alpha-Beta Complex Coagulation Factor XIII Chain A, domain 2CATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B3.90.260.10 Alpha Beta Alpha-Beta Complex Coagulation Factor XIII Chain A, domain 2CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00868Transglutaminase family (Transglut_N)Transglutaminase family- Domain
A, B
PF00927Transglutaminase family, C-terminal ig like domain (Transglut_C)Transglutaminase family, C-terminal ig like domain- Domain
A, B
PF01841Transglutaminase-like superfamily (Transglut_core)Transglutaminase-like superfamily- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
COAGULATION FACTOR XIII

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
protein-glutamine gamma-glutamyltransferase (eukaryotic)  M-CSA #149

Eukaryotic transglutaminase is able to catalyse the Ca(II) dependent acyl transfer between glutamine and the side chain amino group of lysine. It is unknown what the biological function of this is in fish, but the human homologue is blood clotting factor XIII which forms cross-links between these two residues in fibrin, thus plays a key role in the clotting cascade. The activation of the clotting factor is a subject of study in the hope of designing inhibitors which could be of pharmacological importance.

Defined by 5 residues: TRP:A-279CYS:A-314HIS:A-373ASP:A-396TYR:A-560
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Explore in 3DM-CSA Motif Definition