Annotations: 6B5O

Structure of PfCSP peptide 29 with human protective antibody CIS43

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
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	V-set	e6b5oL1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: V-set	ECOD (v295.2)
A [auth H]	V-set	e6b5oH1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: V-set	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [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
B [auth L]	Fab CIS43	L-KAPPA	Homo sapiens (human)	IGKV4-101, IGKJ401, IGKJ402, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202636-0)
A [auth H]	Fab CIS43	VH-CH1	Homo sapiens (human)	IGHV1-301, IGHJ302, IGHG101, IGHG102, IGHG104, IGHG105	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202636-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV4	Kappa	pfcsp peptide 29	SAbDab (2026-09-18)
A [auth H]	Heavy Chain	IGHV1	-	pfcsp peptide 29	SAbDab (2026-09-18)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A]	PfCSP peptide 29: ASN-PRO-ASN-ALA-ASN-PRO-ASN-ALA-ASN	-	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle entry into host cell by a symbiont-containing vacuole biological process involved in interaction with host biological process involved in symbiotic interaction	cell surface cellular anatomical structure cell periphery plasma membrane membrane intracellular anatomical structure cytoplasm
B [auth L]	CIS43 Fab Light chain	-	-	-
A [auth H]	CIS43 Fab Heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A]	IPR051860	Plasmodium_CSP_Invasion	Unknown
C [auth A]	IPR000884	Thrombospondin type-1 (TSP1) repeat	Repeat
C [auth A]	IPR003067	Plasmodium circumsporozoite protein	Family
C [auth A]	IPR036383	Thrombospondin type-1 repeat superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth H]	PCA	Parent Component: GLN : AA0031 : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420