Annotations: 6MHG

Cryo-EM structure of the circumsporozoite protein of Plasmodium falciparum with a vaccine-elicited antibody reveals maturation of inter-antibody contacts

External Resource: Annotation

Domain Annotation: ECOD Classification
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)
D [auth A]	Ribosomal_L1	e6mhgA1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
R [auth J]	Ribosomal_L1	e6mhgJ1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
V [auth M]	Ribosomal_L1	e6mhgM1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
T [auth K]	Ribosomal_L1	e6mhgK1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
P [auth I]	Ribosomal_L1	e6mhgI1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
N [auth G]	Ribosomal_L1	e6mhgG1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
L [auth F]	Ribosomal_L1	e6mhgF1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
J [auth D]	Ribosomal_L1	e6mhgD1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
H [auth C]	Ribosomal_L1	e6mhgC1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
F [auth B]	Ribosomal_L1	e6mhgB1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
B [auth H]	Ribosomal_L1	e6mhgH1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
E [auth N]	Ribosomal_L1	e6mhgN1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
M [auth R]	Ribosomal_L1	e6mhgR1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
U [auth V]	Ribosomal_L1	e6mhgV1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
W	Ribosomal_L1	e6mhgW1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
S [auth U]	Ribosomal_L1	e6mhgU1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
Q [auth T]	Ribosomal_L1	e6mhgT1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
O [auth S]	Ribosomal_L1	e6mhgS1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
K [auth Q]	Ribosomal_L1	e6mhgQ1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
I [auth P]	Ribosomal_L1	e6mhgP1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
G [auth O]	Ribosomal_L1	e6mhgO1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)
C [auth L]	Ribosomal_L1	e6mhgL1	A: beta barrels	X: N-cbl like	H: HTH	T: SH3	F: Ribosomal_L1	ECOD (v294.2)

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], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	Fab 311	VH-CH1	Homo sapiens (human)	IGHV3-3301, IGHV3-3304, IGHJ401, IGHJ402, IGHJ403, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG111	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202617-0)
C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], M [auth R], O [auth S], Q [auth T], S [auth U], U [auth V], W	Fab 311	L-LAMBDA	Homo sapiens (human)	IGLV1-4001, IGLJ302, IGLC701, IGLC702	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	Heavy Chain	IGHV3	-	circumsporozoite protein	SAbDab (2026-05-08)
C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], M [auth R], O [auth S], Q [auth T], S [auth U], U [auth V], W	Light Chain	IGLV1	Lambda	circumsporozoite protein	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E]	circumsporozoite protein	host cell surface binding binding protein binding heparan sulfate proteoglycan binding proteoglycan binding carbohydrate derivative binding	biological process involved in interspecies interaction between organisms symbiont entry into host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell viral process viral life cycle entry into host cell by a symbiont-containing vacuole	cell surface cellular anatomical structure membrane side of membrane cell periphery plasma membrane intracellular anatomical structure cytoplasm
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	Fab311 heavy chain	-	response to stimulus immune response immune system process adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], C [auth L], E [auth N], G [auth O], I [auth P], K [auth Q], M [auth R], O [auth S], Q [auth T], S [auth U], U [auth V], W	Fab311 light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E]	IPR000884	Thrombospondin type-1 (TSP1) repeat	Repeat
A [auth E]	IPR003067	Plasmodium circumsporozoite protein	Family
A [auth E]	IPR051860	Plasmodium Circumsporozoite Invasion Protein	Family
A [auth E]	IPR036383	Thrombospondin type-1 repeat superfamily	Homologous Superfamily
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR003597	Immunoglobulin C1-set	Domain
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR013106	Immunoglobulin V-set domain	Domain
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR003599	Immunoglobulin domain subtype	Domain
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR007110	Immunoglobulin-like domain	Domain
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR050380	Immune Recognition and Response Modulators	Family
B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], B [auth H], D [auth A], F [auth B], H [auth C], J [auth D], L [auth F], N [auth G], P [auth I], R [auth J], T [auth K], V [auth M]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site