Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
KSCOP2 FamilyRelB antitoxin-like 8094264 4004546 SCOP2 (2022-06-29)
KSCOP2 SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2 (2022-06-29)
MSCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
OSCOP2B SuperfamilyRibbon-helix-helix 8094265 3000295 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
JSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
LSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
NSCOP2B SuperfamilyRelE-like 8063332 3000741 SCOP2B (2022-06-29)
PSCOP2 FamilyRelE-like 8063331 4003388 SCOP2 (2022-06-29)
PSCOP2 SuperfamilyRelE-like 8063332 3000741 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ARelBe4ml0A1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
CRelBe4ml0C1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
ERelBe4ml0E1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
GRelBe4ml0G1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
IRelBe4ml0I1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
KRelBe4ml0K1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
MRelBe4ml0M1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
ORelBe4ml0O1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: RelBECOD (1.6)
BYafQ_toxine4ml0B1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
DYafQ_toxine4ml0D1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
FYafQ_toxine4ml0F1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
HYafQ_toxine4ml0H1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
JYafQ_toxine4ml0J1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
LYafQ_toxine4ml0L1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
NYafQ_toxine4ml0N1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)
PYafQ_toxine4ml0P1 A: a+b two layersX: RelE-likeH: RelE-like (From Topology)T: RelE-likeF: YafQ_toxinECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
D3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
F3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
H3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
J3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
L3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
N3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)
P3.30.2310.20 Alpha Beta 2-Layer Sandwich YaeB-like fold RelE-likeCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C, E, G, I
PF04221RelB antitoxin (RelB)RelB antitoxinRelE and RelB form a toxin-antitoxin system. RelE represses translation, probably through binding ribosomes ([1], [2]). RelB stably binds RelE, presumably deactivating it. Domain
B, D, F, H, J
PF15738Bacterial toxin of type II toxin-antitoxin system, YafQ (YafQ_toxin)Bacterial toxin of type II toxin-antitoxin system, YafQYafQ is a family of bacterial toxin ribonucleases of type II toxin-antitoxin systems. The E.coli gene is expressed from the dinB operon [1,2]. The cognate antitoxin for the E. coli protein is DinJ, in family RelB_antitoxin, Pfam:PF02604. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C, E, G, I
Predicted antitoxin of YafQ-DinJ toxin-antitoxin system -
B, D, F, H, J
Predicted toxin of the YafQ-DinJ toxin-antitoxin system -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, C, E, G, I
IPR013321Arc-type ribbon-helix-helixHomologous Superfamily
A, C, E, G, I
IPR026262Antitoxin DinJFamily
A, C, E, G, I
IPR007337RelB antitoxin/Antitoxin DinJFamily
B, D, F, H, J
IPR007712Toxin-antitoxin system, RelE/ParE toxin familyFamily
B, D, F, H, J
IPR004386Toxin-antitoxin system, YafQ-like toxinFamily
B, D, F, H, J
IPR035093Toxin-antitoxin system, RelE/ParE toxin domain superfamilyHomologous Superfamily