2IXP

Crystal structure of the Pp2A phosphatase activator Ypa1 PTPA1 in complex with model substrate

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
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ixpa1	All alpha proteins	PTPA-like	PTPA-like	PTPA-like	Serine/threonine-protein phosphatase 2A regulatory subunit B', PTPA	BAKER'S YEAST (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d2ixpb_	All alpha proteins	PTPA-like	PTPA-like	PTPA-like	automated matches	BAKER'S YEAST (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
C	d2ixpc_	All alpha proteins	PTPA-like	PTPA-like	PTPA-like	automated matches	BAKER'S YEAST (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
D	d2ixpd_	All alpha proteins	PTPA-like	PTPA-like	PTPA-like	automated matches	BAKER'S YEAST (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PTPA-like	8042901	3001997	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PTPA-like	8042901	3001997	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PTPA-like	8042901	3001997	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	PTPA-like	8042901	3001997	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF03095	e2ixpA1	A: alpha arrays	X: PTPA-like (From Topology)	H: PTPA-like (From Topology)	T: PTPA-like	F: PF03095	ECOD (1.6)
B	PF03095	e2ixpB1	A: alpha arrays	X: PTPA-like (From Topology)	H: PTPA-like (From Topology)	T: PTPA-like	F: PF03095	ECOD (1.6)
C	PF03095	e2ixpC1	A: alpha arrays	X: PTPA-like (From Topology)	H: PTPA-like (From Topology)	T: PTPA-like	F: PF03095	ECOD (1.6)
D	PF03095	e2ixpD1	A: alpha arrays	X: PTPA-like (From Topology)	H: PTPA-like (From Topology)	T: PTPA-like	F: PF03095	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.1150	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Phosphotyrosyl phosphate activator, C-terminal lid domain	CATH (4.3.0)
B	1.20.120.1150	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Phosphotyrosyl phosphate activator, C-terminal lid domain	CATH (4.3.0)
C	1.20.120.1150	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Phosphotyrosyl phosphate activator, C-terminal lid domain	CATH (4.3.0)
D	1.20.120.1150	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Phosphotyrosyl phosphate activator, C-terminal lid domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF03095	Phosphotyrosyl phosphate activator (PTPA) protein (PTPA)	Phosphotyrosyl phosphate activator (PTPA) protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SERINE/THREONINE-PROTEIN PHOSPHATASE 2A ACTIVATOR 1	isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity enzyme regulator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity protein phosphatase activator activity enzyme activator activity protein tyrosine phosphatase activator activity phosphatase activator activity molecular function activator activity	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair mitotic cell cycle process cell cycle phase transition cell cycle G1/S transition of mitotic cell cycle cell cycle G1/S phase transition mitotic cell cycle mitotic cell cycle phase transition cell cycle process cellular catabolic process catabolic process cellular metabolic process autophagy process utilizing autophagic mechanism microtubule cytoskeleton organization mitotic spindle organization cellular component organization organelle organization microtubule-based process cellular component organization or biogenesis cytoskeleton organization microtubule cytoskeleton organization involved in mitosis spindle organization TOR signaling regulation of biological process regulation of cellular process signaling biological regulation intracellular signal transduction cell communication signal transduction cellular biosynthetic process RNA metabolic process regulation of primary metabolic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process	phosphatase complex protein-containing complex catalytic complex protein phosphatase type 2A complex protein serine/threonine phosphatase complex intracellular anatomical structure cytoplasm cellular anatomical entity intracellular organelle protein-DNA complex organelle intracellular non-membrane-bounded organelle chromatin chromosome phosphatase complex protein-containing complex catalytic complex protein phosphatase type 2A complex protein serine/threonine phosphatase complex intracellular anatomical structure cytoplasm cellular anatomical entity intracellular organelle protein-DNA complex organelle intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
E [auth F], F [auth G], G [auth H], H [auth I]	SIN-ALA-ALA-PRO-LYS-NIT	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004327	Phosphotyrosyl phosphatase activator, PTPA	Family
A, B, C, D	IPR043170	Phosphotyrosyl phosphatase activator, C-terminal lid domain	Homologous Superfamily
A, B, C, D	IPR037218	PTPA superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
E [auth F], F [auth G], G [auth H], H [auth I]	NIT
E [auth F], F [auth G], G [auth H], H [auth I]	SIN	RESID: AA0561 PSI-MOD : S-(2-succinyl)-L-cysteine MOD:01889

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.