Annotations: 1MUM

Structure of the 2-Methylisocitrate Lyase (PrpB) from Escherichia coli

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1mumb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Phosphoenolpyruvate/pyruvate domain	Phosphoenolpyruvate mutase/Isocitrate lyase-like	2-methylisocitrate lyase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1muma_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Phosphoenolpyruvate/pyruvate domain	Phosphoenolpyruvate mutase/Isocitrate lyase-like	2-methylisocitrate lyase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Phosphoenolpyruvate/pyruvate domain	8032870	3000510	SCOP2B (2022-06-29)
A	SCOP2 Family	Phosphoenolpyruvate mutase/Isocitrate lyase-like	8020490	4003532	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Phosphoenolpyruvate/pyruvate domain	8032870	3000510	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Enolase_C	e1mumB1	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: Enolase_C	ECOD (v294.2)
A	PEP_mutase	e1mumA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: PEP_mutase	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.60	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Phosphoenolpyruvate-binding domains	CATH (4.3.0)
A	3.20.20.60	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Phosphoenolpyruvate-binding domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13714	Phosphoenolpyruvate phosphomutase (PEP_mutase)	Phosphoenolpyruvate phosphomutase	This domain includes the enzyme Phosphoenolpyruvate phosphomutase (EC:5.4.2.9). This protein Swiss:O86937 has been characterised as catalysing the formation of a carbon-phosphorus bond by converting phosphoenolpyruvate (PEP) to phosphonopyruvate (P-P ...	This domain includes the enzyme Phosphoenolpyruvate phosphomutase (EC:5.4.2.9). This protein Swiss:O86937 has been characterised as catalysing the formation of a carbon-phosphorus bond by converting phosphoenolpyruvate (PEP) to phosphonopyruvate (P-Pyr) [1]. This enzyme has a TIM barrel fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	2-methylisocitrate lyase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxo-acid-lyase activity methylisocitrate lyase activity lyase activity catalytic activity carbon-carbon lyase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015813	Pyruvate/Phosphoenolpyruvate kinase-like domain superfamily	Homologous Superfamily
A, B	IPR018523	Isocitrate lyase/phosphorylmutase, conserved site	Conserved Site
A, B	IPR012695	2-methylisocitrate lyase	Family
A, B	IPR039556	ICL/PEPM domain	Domain
A, B	IPR040442	Pyruvate kinase-like domain superfamily	Homologous Superfamily

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

Chains	Enzyme Name	Description	Catalytic Residues
A	methylisocitrate lyase M-CSA #182	Involved in the catabolism of short chain fatty acids (SCFA) via the 2-methylcitrate cycle I (propionate degradation route). Catalyses the thermodynamically favored C-C bond cleavage of (2R,3S)-2-methylisocitrate to yield pyruvate and succinate via an alpha-carboxy-carbanion intermediate.	Defined by 10 residues: TYR:A-42 [auth A-43]ASP:A-57 [auth A-58]ASP:A-84 [auth A-85]ASP:A-86 [auth A-87]HIS:A-112 [auth A-113]GLU:A-114 [auth A-115]CYS:A-122 [auth A-123]ARG:A-157 [auth A-158]GLU:A-187 [auth A-188]ASN:A-209 [auth A-210] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 4.1.3.30 (PDB Primary Data) Search M-CSA Motif + EC 4.1.3.30

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