Annotations: 3O6M

Anti-Tat HIV 11H6H1 Fab' complexed with a 9-mer Tat peptide

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
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)
A [auth L]	p450	e3o6mL1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: p450	ECOD (v295.2)
B [auth H]	p450	e3o6mH1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: p450	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A [auth L]	11H6H1 Fab' anti-Tat HIV	L-KAPPA	Mus musculus (house mouse)	IGKV1-13501, IGKJ101, IGKJ201, IGKC01, IGKC*02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202643-0)
B [auth H]	11H6H1 Fab' anti-Tat HIV	VH-CH1	Mus musculus (house mouse)	IGHV5-902, IGHJ401, IGHG1*02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202643-0)

SAbDab2 Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth L]	Light Chain	IGKV1	Kappa	Protein Tat 9-mer peptide	SAbDab (2026-11-06)
B [auth H]	Heavy Chain	IGHV5	-	Protein Tat 9-mer peptide	SAbDab (2026-11-06)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth L]	11H6H1 Fab' light chain	-	-	-
C	Protein Tat 9-mer peptide	molecular adaptor activity transcription regulator activity RNA-binding transcription regulator activity RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	viral gene expression regulation of biological process regulation of viral process regulation of viral transcription positive regulation of viral process viral process biological regulation positive regulation of biological process viral transcription positive regulation of viral transcription	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell nucleus other organism part host cell nucleolus host cell nuclear part host intracellular organelle cellular anatomical structure host cell part host intracellular region
B [auth H]	11H6H1 Fab' heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR036963	Tat domain superfamily	Homologous Superfamily
C	IPR001831	Immunodeficiency virus transactivating regulatory protein (Tat)	Family