8DN6 | pdb_00008dn6

The crystal structure of the Arabidopsis thaliana Toc75 POTRA domains in complex with fab tc2

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	F_UNCLASSIFIED	e8dn6F2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e8dn6D2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
E	F_UNCLASSIFIED	e8dn6E1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e8dn6C2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e8dn6B1	A: a+b duplicates or obligate multimers	X: Polypeptide transport-associated (POTRA) domain (From Topology)	H: Polypeptide transport-associated (POTRA) domain (From Topology)	T: Polypeptide transport-associated (POTRA) domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e8dn6A1	A: a+b duplicates or obligate multimers	X: Polypeptide transport-associated (POTRA) domain (From Topology)	H: Polypeptide transport-associated (POTRA) domain (From Topology)	T: Polypeptide transport-associated (POTRA) domain	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, F	Light Chain	IGKV1	Kappa	protein toc75-3, chloroplastic	SAbDab (2025-12-19)
C, E	Heavy Chain	IGHV3	-	protein toc75-3, chloroplastic	SAbDab (2025-12-19)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, F	fabtc2_LC	-	-	-
C, E	fabtc2_HC	-	-	-
A, B	Protein TOC75-3, chloroplastic	macromolecule transmembrane transporter activity active transmembrane transporter activity protein transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity protein transmembrane transporter activity protein-transporting ATPase activity transporter activity transmembrane transporter activity ATP-dependent activity	cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport transmembrane transport cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport transmembrane transport establishment of protein localization to chloroplast protein localization to chloroplast establishment of protein localization to organelle protein transmembrane transport protein localization to organelle protein import into chloroplast stroma protein targeting protein targeting to chloroplast developmental process multicellular organism development multicellular organismal process anatomical structure morphogenesis embryonic morphogenesis anatomical structure development embryo development cellular component organization organelle organization plastid organization chloroplast organization cellular component organization or biogenesis	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle TOC-TIC supercomplex I protein-containing complex chloroplast cytosol plastid membrane Toc complex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle TOC-TIC supercomplex I protein-containing complex chloroplast cytosol plastid membrane Toc complex chloroplast envelope membrane protein complex organelle outer membrane plastid outer membrane chloroplast outer membrane organelle envelope bounding membrane of organelle chloroplast membrane plastid envelope membrane outer membrane organelle membrane plant-type vacuole vacuole

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039910	Surface antigen D15-like	Family
A, B	IPR005689	Chloroplast envelope protein translocase, IAP75	Family
A, B	IPR000184	Bacterial surface antigen (D15)	Domain

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.