Annotations: 4FLN

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Trypsin_2	e4flnA5	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Trypsin_2	ECOD (1.6)
A	PDZ_2	e4flnA2	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ_2	ECOD (1.6)
A	KOG1320	e4flnA3	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: KOG1320	ECOD (1.6)
B	Trypsin_2	e4flnB12	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Trypsin_2	ECOD (1.6)
B	PDZ_2	e4flnB13	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ_2	ECOD (1.6)
B	KOG1320	e4flnB3	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: KOG1320	ECOD (1.6)
C	Trypsin_2	e4flnC6	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Trypsin_2	ECOD (1.6)
C	PDZ_2	e4flnC7	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ_2	ECOD (1.6)
C	KOG1320	e4flnC3	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: KOG1320	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.190.20	Alpha Beta	Alpha-Beta Barrel	N-terminal domain of MutM-like DNA repair proteins		CATH (4.3.0)
B	3.20.190.20	Alpha Beta	Alpha-Beta Barrel	N-terminal domain of MutM-like DNA repair proteins		CATH (4.3.0)
C	3.20.190.20	Alpha Beta	Alpha-Beta Barrel	N-terminal domain of MutM-like DNA repair proteins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF17815	PDZ domain (PDZ_3)	PDZ domain	This entry contains the second PDZ domain from plant peptidases such as Deg2 [1]. This domain is involved in cage assembly.	Domain
A, B, C	PF00089	Trypsin (Trypsin)	Trypsin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Protease Do-like 2, chloroplastic	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity	photosynthesis photosynthesis, light reaction photosystem II repair cellular metabolic process photosynthesis, light harvesting primary metabolic process generation of precursor metabolites and energy protein repair metabolic process cellular process protein metabolic process macromolecule metabolic process catabolic process protein catabolic process photosynthesis photosynthesis, light reaction photosystem II repair cellular metabolic process photosynthesis, light harvesting primary metabolic process generation of precursor metabolites and energy protein repair metabolic process cellular process protein metabolic process macromolecule metabolic process catabolic process protein catabolic process macromolecule catabolic process proteolysis cellular component organization organelle organization plastid organization chloroplast organization cellular component organization or biogenesis	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane plastid stroma chloroplast stroma chloroplast stromal thylakoid cytosol chloroplast envelope
D, F	Unknown peptide	-	-	-
E	Unknown peptide	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B, C	IPR001940	Peptidase S1C	Family
A, B, C	IPR036034	PDZ superfamily	Homologous Superfamily
A, B, C	IPR041517	Protease Do-like, PDZ domain	Domain
A, B, C	IPR046449	Protease Do-like, PDZ domain superfamily	Homologous Superfamily
A, B, C	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily

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.