6LXW | pdb_00006lxw

Cryo-EM structure of human secretory immunoglobulin A in complex with the N-terminal domain of SpsA


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
F [auth P]SCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054529 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
F [auth P]Gp5_trimer_Ce6lxwP1 A: beta barrelsX: Tail specific protease helical domainH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: Gp5_trimer_CECOD (v294.2)
DGp5_trimer_Ce6lxwD1 A: beta barrelsX: Tail specific protease helical domainH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: Gp5_trimer_CECOD (v294.2)
CGp5_trimer_Ce6lxwC1 A: beta barrelsX: Tail specific protease helical domainH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: Gp5_trimer_CECOD (v294.2)
BGp5_trimer_Ce6lxwB1 A: beta barrelsX: Tail specific protease helical domainH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: Gp5_trimer_CECOD (v294.2)
AGp5_trimer_Ce6lxwA1 A: beta barrelsX: Tail specific protease helical domainH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: Gp5_trimer_CECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
F [auth P]Polymeric immunoglobulin receptor, PIGR 1V-LIKE Homo sapiens (human) PIGR V-LIKE-DOMAIN V-LIKE RPI PIGR IMGT (202617-0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
F [auth P]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain
A, B, C, D
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
A, B, C, D
PF00047Immunoglobulin domain (ig)Immunoglobulin domainMembers of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ...Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
E [auth J]Immunoglobulin J chain
G [auth S]SigA binding protein- - -
F [auth P]Polymeric immunoglobulin receptor
A, B, C, D
Interleukin-2,Immunoglobulin heavy constant alpha 1

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
E [auth J]P01591
F [auth P]P01833
A, B, C, D
P60568