1RAE

CRYSTAL STRUCTURE OF CTP-LIGATED T STATE ASPARTATE TRANSCARBAMOYLASE AT 2.5 ANGSTROMS RESOLUTION: IMPLICATIONS FOR ATCASE MUTANTS AND THE MECHANISM OF NEGATIVE COOPERATIVITY


Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Cd1raec1 Alpha and beta proteins (a/b) ATC-like Aspartate/ornithine carbamoyltransferase Aspartate/ornithine carbamoyltransferase Aspartate carbamoyltransferase catalytic subunit (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)
Ad1raea1 Alpha and beta proteins (a/b) ATC-like Aspartate/ornithine carbamoyltransferase Aspartate/ornithine carbamoyltransferase Aspartate carbamoyltransferase catalytic subunit (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)
Bd1raeb1 Alpha and beta proteins (a+b) Ferredoxin-like Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain Aspartate carbamoyltransferase (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)
Bd1raeb2 Small proteins Rubredoxin-like Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)
Dd1raed1 Alpha and beta proteins (a+b) Ferredoxin-like Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain Aspartate carbamoyltransferase (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)
Dd1raed2 Small proteins Rubredoxin-like Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain (Escherichia coli K-12 ) [TaxId: 83333 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilyAspartate/ornithine carbamoyltransferase8032839 3001396 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyAspartate/ornithine carbamoyltransferase8032836 3001396 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyAspartate/ornithine carbamoyltransferase8032836 3001396 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyAspartate/ornithine carbamoyltransferase8032839 3001396 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyAspartate carbamoyltransferase Regulatory-chain C-terminal domain8041534 3001307 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyAspartate carbamoyltransferase Regulatory-chain N-terminal domain8041529 3001148 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyAspartate carbamoyltransferase Regulatory-chain N-terminal domain8041529 3001148 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyAspartate carbamoyltransferase Regulatory-chain C-terminal domain8041534 3001307 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
COTCacee1raeC1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: Aspartate/ornithine carbamoyltransferaseF: OTCaceECOD (1.6)
COTCace_Ne1raeC2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: Aspartate/ornithine carbamoyltransferaseF: OTCace_NECOD (1.6)
AOTCacee1raeA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: Aspartate/ornithine carbamoyltransferaseF: OTCaceECOD (1.6)
AOTCace_Ne1raeA2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: Aspartate/ornithine carbamoyltransferaseF: OTCace_NECOD (1.6)
BPyrIe1raeB1 A: a+b two layersX: Alpha-beta plaitsH: Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain (From Topology)T: Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domainF: PyrIECOD (1.6)
BPyrI_Ce1raeB2 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domainF: PyrI_CECOD (1.6)
DPyrIe1raeD1 A: a+b two layersX: Alpha-beta plaitsH: Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain (From Topology)T: Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domainF: PyrIECOD (1.6)
DPyrI_Ce1raeD2 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domainF: PyrI_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C
PF02729Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain (OTCace_N)Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain- Domain
A, C
PF00185Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain (OTCace)Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain- Domain
B, D
PF02748Aspartate carbamoyltransferase regulatory chain, metal binding domain (PyrI_C)Aspartate carbamoyltransferase regulatory chain, metal binding domainThe regulatory chain is involved in allosteric regulation of aspartate carbamoyltransferase. The C-terminal metal binding domain has a rubredoxin-like fold and provides the interface with the catalytic chain.Domain
B, D
PF01948Aspartate carbamoyltransferase regulatory chain, allosteric domain (PyrI)Aspartate carbamoyltransferase regulatory chain, allosteric domainThe regulatory chain is involved in allosteric regulation of aspartate carbamoyltransferase. The N-terminal domain has ferredoxin-like fold, and provides the regulatory chain dimerisation interface.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C
Aspartate carbamoyltransferase catalytic chain
B, D
Aspartate carbamoyltransferase regulatory chain