1OB1 | pdb_00001ob1

Crystal structure of a Fab complex whith Plasmodium falciparum MSP1-19

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)
F	d1ob1f1	Small proteins	Knottins (small inhibitors, toxins, lectins)	EGF/Laminin	Merozoite surface protein 1 (MSP-1)	Merozoite surface protein 1 (MSP-1)	(Plasmodium falciparum ) [TaxId: 5833 ],	SCOPe (2.08)
F	d1ob1f3	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Plasmodium falciparum ) [TaxId: 5833 ],	SCOPe (2.08)
C	d1ob1c1	Small proteins	Knottins (small inhibitors, toxins, lectins)	EGF/Laminin	Merozoite surface protein 1 (MSP-1)	Merozoite surface protein 1 (MSP-1)	(Plasmodium falciparum ) [TaxId: 5833 ],	SCOPe (2.08)
C	d1ob1c3	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Plasmodium falciparum ) [TaxId: 5833 ],	SCOPe (2.08)
E	d1ob1e1	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)
E	d1ob1e2	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)
B	d1ob1b1	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	d1ob1b2	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)
D	d1ob1d1	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)
D	d1ob1d2	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)
A	d1ob1a1	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	d1ob1a2	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)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091539	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091539	3000071	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)
F	Sushi	e1ob1F1	A: alpha bundles	X: EGF-like	H: LDL receptor-like module	T: LDL receptor-like module	F: Sushi	ECOD (develop294)
C	Sushi	e1ob1C1	A: alpha bundles	X: EGF-like	H: LDL receptor-like module	T: LDL receptor-like module	F: Sushi	ECOD (develop294)
E	Copper-bind	e1ob1E1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Copper-bind	ECOD (develop294)
B	Copper-bind	e1ob1B1	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Copper-bind	ECOD (develop294)
D	Copper-bind	e1ob1D2	A: alpha bundles	X: Cloacin translocation domain	H: beta-Prism I	T: beta-Prism I	F: Copper-bind	ECOD (develop294)
A	Copper-bind	e1ob1A2	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)
F	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)
C	2.10.25.10	Mainly Beta	Ribbon	Laminin	Laminin	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	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, E	Antibody	VH-CH1	Mus musculus (house mouse)	IGHV9-402, IGHJ401, IGHG2A01, IGHG2A02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_KAPPA	IMGT (202610-0)
A, D	Antibody	L-KAPPA	Mus musculus (house mouse)	IGKV4-7401, IGKJ201, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2A_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, E	Heavy Chain	IGHV9	-	major merozoite surface protein	SAbDab (2026-03-20)
A, D	Light Chain	IGKV4	Kappa	major merozoite surface protein	SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, E	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A, D	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, F	MAJOR MEROZOITE SURFACE PROTEIN	-	-	cellular anatomical structure membrane side of membrane cell periphery plasma membrane vacuolar membrane membrane-bounded organelle intracellular anatomical structure vacuole intracellular membrane-bounded organelle intracellular organelle bounding membrane of organelle organelle cytoplasm cellular anatomical structure membrane side of membrane cell periphery plasma membrane vacuolar membrane membrane-bounded organelle intracellular anatomical structure vacuole intracellular membrane-bounded organelle intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane extracellular region
B, E	ANTIBODY, LIGHT CHAIN	protein-containing complex binding protein binding binding signaling receptor binding immunoglobulin receptor binding Fc-gamma receptor I complex binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus positive regulation of biological process positive regulation of response to stimulus complement activation humoral immune response mediated by circulating immunoglobulin positive regulation of immune response leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus positive regulation of biological process positive regulation of response to stimulus complement activation humoral immune response mediated by circulating immunoglobulin positive regulation of immune response leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process immune response biological regulation immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response biological process involved in interspecies interaction between organisms response to other organism defense response antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus	protein-containing complex cellular anatomical structure extracellular region extracellular space immunoglobulin complex, circulating immunoglobulin complex IgG immunoglobulin complex
A, D	ANTIBODY, HEAVY CHAIN	-	developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development cellular process leukocyte differentiation response to stimulus immune response adaptive immune response	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex plasma membrane protein complex membrane protein complex alpha-beta T cell receptor complex receptor complex plasma membrane signaling receptor complex T cell receptor complex extracellular region IgG immunoglobulin complex immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, F	IPR010901	Merozoite surface 1, C-terminal	Domain
C, F	IPR024730	Merozoite surface protein, EGF domain 1	Domain
B, E	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, E	IPR050380	Immune Recognition and Response Modulators	Family
B, E	IPR003597	Immunoglobulin C1-set	Domain
B, E	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E	IPR007110	Immunoglobulin-like domain	Domain
B, E	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, D	IPR003597	Immunoglobulin C1-set	Domain
A, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D	IPR007110	Immunoglobulin-like domain	Domain
A, D	IPR050380	Immune Recognition and Response Modulators	Family
A, D	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

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.