Annotations: 1X3W

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1x3wa1	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Transglutaminase core	Peptide:N-glycanase 1, PNG1	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d1x3wb1	All alpha proteins	XPC-binding domain-like	XPC-binding domain	XPC-binding domain	Rad23 STI1 domain	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	Cysteine proteinases	8033587	3001808	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	XPC-binding domain	8033589	3000974	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	Transglut_core	e1x3wA1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Transglut_core	ECOD (1.6)
B	XPC-binding	e1x3wB1	A: alpha arrays	X: HTH	H: XPC-binding domain (From Topology)	T: XPC-binding domain	F: XPC-binding	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.250.270	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	1.10.1740.90	Mainly Alpha	Orthogonal Bundle	Rna Polymerase Sigma Factor	Chain: A	CATH (4.3.0)
A	2.20.25.10	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
B	1.10.10.540	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	XPC-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01841	Transglutaminase-like superfamily (Transglut_core)	Transglutaminase-like superfamily	-	Family
B	PF09280	XPC-binding domain (XPC-binding)	XPC-binding domain	Members of this family adopt a structure consisting of four alpha helices, arranged in an array. They bind specifically and directly to the xeroderma pigmentosum group C protein (XPC) to initiate nucleotide excision repair [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	peptide:N-glycanase	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds cation binding ion binding binding metal ion binding small molecule binding	organonitrogen compound metabolic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process organic substance metabolic process macromolecule modification protein deglycosylation nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process cellular response to stimulus response to organic substance organonitrogen compound metabolic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process organic substance metabolic process macromolecule modification protein deglycosylation nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process cellular response to stimulus response to organic substance catabolic process response to stimulus proteolysis involved in protein catabolic process ubiquitin-dependent glycoprotein ERAD pathway macromolecule catabolic process response to glycoprotein ERAD pathway cellular response to stress response to stress proteolysis response to endoplasmic reticulum stress organonitrogen compound catabolic process carbohydrate derivative catabolic process glycoprotein catabolic process response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound proteasomal protein catabolic process protein catabolic process response to chemical cellular process organic substance catabolic process protein quality control for misfolded or incompletely synthesized proteins	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle mitochondrion organelle intracellular membrane-bounded organelle protein-containing complex catalytic complex peptidase complex PNGase complex nucleus
B	UV excision repair protein RAD23	protein binding binding ubiquitin binding ubiquitin-like protein binding DNA binding organic cyclic compound binding damaged DNA binding nucleic acid binding protein-macromolecule adaptor activity molecular adaptor activity polyubiquitin modification-dependent protein binding modification-dependent protein binding protein-containing complex binding proteasome binding	organonitrogen compound metabolic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process organic substance metabolic process macromolecule modification protein deglycosylation nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process organonitrogen compound catabolic process catabolic process organonitrogen compound metabolic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process organic substance metabolic process macromolecule modification protein deglycosylation nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process organonitrogen compound catabolic process catabolic process proteolysis involved in protein catabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process organic substance catabolic process cellular response to stimulus response to organic substance response to stimulus ubiquitin-dependent glycoprotein ERAD pathway response to glycoprotein ERAD pathway cellular response to stress response to stress response to endoplasmic reticulum stress carbohydrate derivative catabolic process glycoprotein catabolic process response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound response to chemical cellular process cellular component organization nucleobase-containing compound metabolic process heterocycle metabolic process nucleotide-excision repair cellular component organization or biogenesis DNA repair nucleotide-excision repair, DNA damage recognition cellular metabolic process chromosome organization cellular nitrogen compound metabolic process DNA metabolic process nucleic acid metabolic process organic cyclic compound metabolic process organelle organization DNA damage response cellular aromatic compound metabolic process regulation of cellular process negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process regulation of nitrogen compound metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription regulation of biological process negative regulation of transcription by RNA polymerase II negative regulation of metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process regulation of gene expression biosynthetic process aromatic compound biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process negative regulation of biosynthetic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex nucleotide-excision repair factor 2 complex nucleotide-excision repair complex catalytic complex membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex nucleotide-excision repair factor 2 complex nucleotide-excision repair complex catalytic complex peptidase complex PNGase complex cytosol membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002931	Transglutaminase-like	Domain
A	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
B	IPR004806	UV excision repair protein Rad23	Family
B	IPR036353	XPC-binding domain superfamily	Homologous Superfamily
B	IPR015360	XPC-binding domain	Domain
B	IPR015940	Ubiquitin-associated domain	Domain
B	IPR000626	Ubiquitin-like domain	Domain
B	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
B	IPR009060	UBA-like superfamily	Homologous Superfamily
B	IPR006636	Heat shock chaperonin-binding	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.