Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad2cfxa1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Ad2cfxa2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Bd2cfxb1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Bd2cfxb2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Cd2cfxc1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Cd2cfxc2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Dd2cfxd1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Dd2cfxd2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Ed2cfxe1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Ed2cfxe2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Fd2cfxf1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Fd2cfxf2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Gd2cfxg1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Gd2cfxg2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Hd2cfxh1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Lrp/AsnC-like transcriptional regulator N-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)
Hd2cfxh2 Alpha and beta proteins (a+b) Ferredoxin-like Dimeric alpha+beta barrel Lrp/AsnC-like transcriptional regulator C-terminal domain Transcriptional regulator LrpC (Bacillus subtilis ) [TaxId: 1423 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyLrp/AsnC transcriptional regulator-like 8056307 4000279 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2 (2022-06-29)
BSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyWinged helix DNA-binding domain 8056308 3000034 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyDimeric alpha+beta barrel 8056309 3000089 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHTH_AsnC-typee2cfxA1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
AAsnC_trans_rege2cfxA2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
BHTH_AsnC-typee2cfxB1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
BAsnC_trans_rege2cfxB2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
CHTH_AsnC-typee2cfxC1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
CAsnC_trans_rege2cfxC2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
DHTH_AsnC-typee2cfxD1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
DAsnC_trans_rege2cfxD2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
EHTH_AsnC-typee2cfxE1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
EAsnC_trans_rege2cfxE2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
FHTH_AsnC-typee2cfxF1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
FAsnC_trans_rege2cfxF2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
GHTH_AsnC-typee2cfxG1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
GAsnC_trans_rege2cfxG2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)
HHTH_AsnC-typee2cfxH1 A: alpha arraysX: HTHH: HTHT: wingedF: HTH_AsnC-typeECOD (1.6)
HAsnC_trans_rege2cfxH2 A: a+b two layersX: Alpha-beta plaitsH: Dimeric alpha+beta barrel (From Topology)T: Dimeric alpha+beta barrelF: AsnC_trans_regECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
A3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
B1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
B3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
C1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
C3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
D1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
D3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
E1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
E3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
F1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
F3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
G1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
G3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)
H1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
H3.30.70.920 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Lrp/AsnC effector binding domain/regulation of amino acid metabolism (RAM) domainCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF01037Lrp/AsnC ligand binding domain (AsnC_trans_reg)Lrp/AsnC ligand binding domainThe l-leucine-responsive regulatory protein (Lrp/AsnC) family is a family of similar bacterial transcription regulatory proteins. The family is named after two E. coli proteins involved in regulating amino acid metabolism. This entry corresponds to ...The l-leucine-responsive regulatory protein (Lrp/AsnC) family is a family of similar bacterial transcription regulatory proteins. The family is named after two E. coli proteins involved in regulating amino acid metabolism. This entry corresponds to the usually C-terminal regulatory ligand binding domain. Structurally this domain has a dimeric alpha/beta barrel fold [2]. This domain binds almost exclusively amino acids but also 4-hydroxyphenylpyruvate and kynurenine (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).
Domain
A, B, C, D, E
PF13412Winged helix-turn-helix DNA-binding (HTH_24)Winged helix-turn-helix DNA-binding- Domain

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR036388Winged helix-like DNA-binding domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR019887Transcription regulator AsnC/Lrp, ligand binding domainDomain
A, B, C, D, E
IPR036390Winged helix DNA-binding domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR000485AsnC-type HTH domainDomain
A, B, C, D, E
IPR011008Dimeric alpha-beta barrelHomologous Superfamily
A, B, C, D, E
IPR019888Transcription regulator AsnC-likeFamily