1SZA | pdb_00001sza

The RNA polymerase II CTD in mRNA processing: beta-turn recognition and beta-spiral model

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)
C	d1szac1	All alpha proteins	alpha-alpha superhelix	ENTH/VHS domain	RNA Polymerase II carboxy-terminal domain (CTD)-interacting (CID) domain (RPR domain)	PCF11 protein	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
C	d1szac2	Artifacts	Tags	Tags	Tags	C-terminal Tags	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d1szab1	All alpha proteins	alpha-alpha superhelix	ENTH/VHS domain	RNA Polymerase II carboxy-terminal domain (CTD)-interacting (CID) domain (RPR domain)	PCF11 protein	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d1szab2	Artifacts	Tags	Tags	Tags	C-terminal Tags	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1szaa1	All alpha proteins	alpha-alpha superhelix	ENTH/VHS domain	RNA Polymerase II carboxy-terminal domain (CTD)-interacting (CID) domain (RPR domain)	PCF11 protein	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1szaa2	Artifacts	Tags	Tags	Tags	C-terminal Tags	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)
C	SCOP2B Superfamily	ENTH/VHS domain-like	8039818	3000164	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ENTH/VHS domain-like	8039818	3000164	SCOP2B (2022-06-29)
A	SCOP2 Family	Pcf11 CTD-interacting domain (CID)-like	8027439	4002665	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ENTH/VHS domain-like	8039818	3000164	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)
C	CTD_bind	e1szaC1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: CTD_bind	ECOD (1.6)
B	CTD_bind	e1szaB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: CTD_bind	ECOD (1.6)
A	CTD_bind	e1szaA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: CTD_bind	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.25.40.90	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
B	1.25.40.90	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
A	1.25.40.90	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF04818	CID domain (CID)	CID domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth Z]	CTD-peptide	-	-	-
A, B, C	PCF11 protein	RNA binding binding nucleic acid binding mRNA binding basal transcription machinery binding RNA polymerase binding protein binding RNA polymerase II complex binding basal RNA polymerase II transcription machinery binding RNA polymerase core enzyme binding enzyme binding	mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing metabolic process cellular process RNA processing macromolecule metabolic process DNA-templated transcription termination DNA-templated transcription transcription by RNA polymerase II termination of RNA polymerase II transcription termination of RNA polymerase II transcription, poly(A)-coupled termination of RNA polymerase II transcription, exosome-dependent	membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle nucleus nuclear protein-containing complex mRNA cleavage factor complex intracellular membrane-bounded organelle cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR008942	ENTH/VHS	Homologous Superfamily
A, B, C	IPR047415	Pcf11, CID domain	Domain
A, B, C	IPR054128	Pfc11, Rna14/15 interacting domain	Domain
A, B, C	IPR054127	Pcf11, C-terminal domain	Domain
A, B, C	IPR006569	CID domain	Domain
A, B, C	IPR021605	Pcf11, Clp1-ID	Domain
A, B, C	IPR045154	Protein PCF11-like	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
D [auth Z]	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046

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 R01GM157729.