Annotations: 3CXA

Crystal structure of the complex of peptidoglycan recognition protein with alpha-D-glucopyranosyl alpha-D-glucopyranoside at 3.4 A resolution

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	N-acetylmuramoyl-L-alanine amidase-like	8067265	3000555	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	N-acetylmuramoyl-L-alanine amidase-like	8067265	3000555	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	N-acetylmuramoyl-L-alanine amidase-like	8067265	3000555	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	N-acetylmuramoyl-L-alanine amidase-like	8067265	3000555	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)
D	Aldedh	e3cxaD1	A: beta barrels	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Aldedh	ECOD (v294.2)
C	Aldedh	e3cxaC1	A: beta barrels	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Aldedh	ECOD (v294.2)
B	Aldedh	e3cxaB1	A: beta barrels	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Aldedh	ECOD (v294.2)
A	Aldedh	e3cxaA1	A: beta barrels	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Aldedh	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.80.10	Alpha Beta	3-Layer(aba) Sandwich	Lysozyme-like	Peptidoglycan recognition protein-like	CATH (4.3.0)
C	3.40.80.10	Alpha Beta	3-Layer(aba) Sandwich	Lysozyme-like	Peptidoglycan recognition protein-like	CATH (4.3.0)
B	3.40.80.10	Alpha Beta	3-Layer(aba) Sandwich	Lysozyme-like	Peptidoglycan recognition protein-like	CATH (4.3.0)
A	3.40.80.10	Alpha Beta	3-Layer(aba) Sandwich	Lysozyme-like	Peptidoglycan recognition protein-like	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Peptidoglycan recognition protein	glycosaminoglycan binding binding carbohydrate derivative binding peptidoglycan binding peptidoglycan immune receptor activity molecular transducer activity pattern recognition receptor activity signaling receptor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding glycosaminoglycan binding binding carbohydrate derivative binding peptidoglycan binding peptidoglycan immune receptor activity molecular transducer activity pattern recognition receptor activity signaling receptor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding peptidoglycan muralytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity N-acetylmuramoyl-L-alanine amidase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	multicellular organismal process regulation of cellular process negative regulation of biological process negative regulation of cellular process cytokine production regulation of cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation negative regulation of cytokine production regulation of macromolecule metabolic process multicellular organismal process regulation of cellular process negative regulation of biological process negative regulation of cellular process cytokine production regulation of cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus detection of external biotic stimulus detection of biotic stimulus detection of bacterium detection of stimulus response to bacterium detection of other organism carbohydrate derivative catabolic process catabolic process peptidoglycan catabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process aminoglycan catabolic process macromolecule catabolic process glycosaminoglycan catabolic process aminoglycan metabolic process peptidoglycan metabolic process defense response to Gram-positive bacterium defense response to bacterium	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR017331	Peptidoglycan recognition protein, PGRP-S	Family
A, B, C, D	IPR002502	N-acetylmuramoyl-L-alanine amidase domain	Domain
A, B, C, D	IPR006619	Peptidoglycan recognition protein family domain, metazoa/bacteria	Domain
A, B, C, D	IPR036505	N-acetylmuramoyl-L-alanine amidase/PGRP domain superfamily	Homologous Superfamily
A, B, C, D	IPR015510	Peptidoglycan recognition protein	Family

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.