Annotations: 3DEP

Structural basis for specific substrate recognition by the chloroplast signal recognition particle protein cpSRP43

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3depa1	All beta proteins	SH3-like barrel	Chromo domain-like	Chromo domain	CpSRP43	mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
A	d3depa2	Alpha and beta proteins (a+b)	beta-hairpin-alpha-hairpin repeat	Ankyrin repeat	Ankyrin repeat	automated matches	mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ankyrin repeat	8017707	3000154	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Chromo domain-like	8017710	3000161	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	PDZ_2	e3depA1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: PDZ_2	ECOD (v294.1)
A	Ank_2, Ank_4, Ank_5	e3depA3	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: Ank_2, Ank_4, Ank_5	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00023	Ankyrin repeat (Ank)	Ankyrin repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	YPGGSFDPLGLA	-	-	-
A	Signal recognition particle 43 kDa protein	protein binding binding protein domain specific binding cation binding ion binding metal ion binding small molecule binding protein-macromolecule adaptor activity molecular adaptor activity disordered domain specific binding identical protein binding	protein import establishment of protein localization cellular localization protein transmembrane import into intracellular organelle transport localization intercellular transport protein localization to chloroplast protein transmembrane transport establishment of localization in cell intracellular protein localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane intracellular protein transmembrane transport protein import establishment of protein localization cellular localization protein transmembrane import into intracellular organelle transport localization intercellular transport protein localization to chloroplast protein transmembrane transport establishment of localization in cell intracellular protein localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane intracellular protein transmembrane transport intracellular transport localization within membrane protein localization to membrane establishment of localization transmembrane transport establishment of protein localization to chloroplast establishment of protein localization to organelle protein transport protein localization to organelle macromolecule localization cellular process intracellular protein transport response to light stimulus response to light intensity response to stimulus response to radiation response to abiotic stimulus response to high light intensity protein-containing complex organization protein trimerization protein heterotrimerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane plastid stroma chloroplast stroma cytosol signal recognition particle protein-containing complex signal recognition particle, endoplasmic reticulum targeting ribonucleoprotein complex chloroplast envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002110	Ankyrin repeat	Repeat
A	IPR000953	Chromo/chromo shadow domain	Domain
A	IPR050745	Multifunctional regulatory proteins	Family
A	IPR023780	Chromo domain	Domain
A	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
A	IPR030300	Signal recognition particle 43kDa protein, chromodomain 3	Domain

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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.