2JEL | pdb_00002jel

JEL42 FAB/HPR COMPLEX

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
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)
C [auth P]	d2jelp_	Alpha and beta proteins (a+b)	HPr-like	HPr-like	HPr-like	Histidine-containing phosphocarrier protein (HPr)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B [auth H]	d2jelh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d2jelh2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth L]	d2jell1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth L]	d2jell2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin light chain kappa constant domain, CL-kappa	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth P]	SCOP2B Superfamily	HPr-like	8035735	3000259	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)
C [auth P]	Nup35_RRM	e2jelP1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: Nup35_RRM	ECOD (develop294)
B [auth H]	Copper-bind	e2jelH1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Copper-bind	ECOD (develop294)
A [auth L]	Copper-bind	e2jelL1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Copper-bind	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth P]	3.30.1340.10	Alpha Beta	2-Layer Sandwich	Histidine-containing Protein	Chain: A	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth L]	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
B [auth H]	JEL42	VH-CH1	Mus musculus (house mouse)	IGHV1-6701, IGHV1S13701, IGHJ101, IGHJ102, IGHG1*01	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
A [auth L]	JEL42	L-KAPPA	Mus musculus (house mouse)	IGKV1-11701, IGKJ102, IGKJ201, IGKC01, IGKC*02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV1	-	histidine-containing protein	SAbDab (2026-03-20)
A [auth L]	Light Chain	IGKV1	Kappa	histidine-containing protein	SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth P]	PF00381	PTS HPr component phosphorylation site (PTS-HPr)	PTS HPr component phosphorylation site		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth P]	HISTIDINE-CONTAINING PROTEIN	enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity protein binding binding antisigma factor binding molecular function inhibitor activity enzyme inhibitor activity transferase activity phosphotransferase activity, nitrogenous group as acceptor catalytic activity transferase activity, transferring phosphorus-containing groups	response to nutrient levels carbon utilization regulation of response to nutrient levels regulation of biological process response to stimulus regulation of response to stimulus regulation of carbon utilization biological regulation import into cell phosphoenolpyruvate-dependent sugar phosphotransferase system transport import across plasma membrane carbohydrate import across plasma membrane carbohydrate transport response to nutrient levels carbon utilization regulation of response to nutrient levels regulation of biological process response to stimulus regulation of response to stimulus regulation of carbon utilization biological regulation import into cell phosphoenolpyruvate-dependent sugar phosphotransferase system transport import across plasma membrane carbohydrate import across plasma membrane carbohydrate transport establishment of localization transmembrane transport localization cellular process carbohydrate transmembrane transport monosaccharide metabolic process regulation of cellular process catabolic process energy derivation by oxidation of organic compounds positive regulation of biological process carbohydrate catabolic process regulation of generation of precursor metabolites and energy regulation of polysaccharide metabolic process macromolecule catabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of glycogen metabolic process glucan metabolic process polysaccharide metabolic process regulation of small molecule metabolic process regulation of glycogen catabolic process glycogen catabolic process small molecule metabolic process positive regulation of macromolecule metabolic process positive regulation of glycogen catabolic process regulation of carbohydrate metabolic process regulation of glucose metabolic process positive regulation of cellular process carbohydrate metabolic process regulation of carbohydrate catabolic process glucan catabolic process glycogen metabolic process primary metabolic process hexose metabolic process regulation of catabolic process generation of precursor metabolites and energy regulation of macromolecule metabolic process positive regulation of catabolic process positive regulation of glucose metabolic process polysaccharide catabolic process metabolic process energy reserve metabolic process positive regulation of carbohydrate metabolic process macromolecule metabolic process positive regulation of small molecule metabolic process regulation of glycogen metabolic process regulation of metabolic process glucose metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol
B [auth H]	JEL42 FAB FRAGMENT	-	-	-
A [auth L]	JEL42 FAB FRAGMENT	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth P]	IPR002114	Phosphotransferase system, HPr serine phosphorylation site	PTM
C [auth P]	IPR001020	Phosphotransferase system, HPr histidine phosphorylation site	PTM
C [auth P]	IPR000032	Phosphocarrier protein HPr-like	Domain
C [auth P]	IPR050399	Phosphocarrier protein HPr	Family
C [auth P]	IPR035895	HPr-like superfamily	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.