Annotations: 7DOH

Crystal Structure of GD-26 Fab in Complex with TD Peptide from Haloarcula Marismortui Bacteriorhodopsin I

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)
C [auth H]	Ion_trans, Ion_trans_2	e7dohH1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: CNF1/YfiH-like putative cysteine hydrolases	T: CNF1/YfiH-like putative cysteine hydrolases	F: Ion_trans, Ion_trans_2	ECOD (v294.2)
B [auth L]	Ion_trans, Ion_trans_2	e7dohL1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: CNF1/YfiH-like putative cysteine hydrolases	T: CNF1/YfiH-like putative cysteine hydrolases	F: Ion_trans, Ion_trans_2	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth L]	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
C [auth H]	Heavy Chain	IGHV1	-	gly-thr-gly-ala-thr-pro-ala-asp-asp	SAbDab (2026-05-22)
B [auth L]	Light Chain	IGKV1	Kappa	gly-thr-gly-ala-thr-pro-ala-asp-asp	SAbDab (2026-05-22)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	GD-26 Fab H-chain	-	-	-
B [auth L]	GD-26 Fab L-chain	-	-	-
A [auth I]	GLY-THR-GLY-ALA-THR-PRO-ALA-ASP-ASP	passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity molecular transducer activity photoreceptor activity signaling receptor activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization phototransduction cellular response to stimulus detection of light stimulus response to light stimulus monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization phototransduction cellular response to stimulus detection of light stimulus response to light stimulus detection of external stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation response to external stimulus detection of abiotic stimulus cell communication detection of stimulus response to abiotic stimulus response to radiation signal transduction	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth I]	IPR018229	Rhodopsin, retinal binding site	Binding Site
A [auth I]	IPR001425	Archaeal/bacterial/fungal rhodopsins	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.