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	EGF_3	e1ob1F2	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: EGF_3	ECOD (1.6)
F	EGF_MSP1_1	e1ob1F1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: EGF_MSP1_1	ECOD (1.6)
C	EGF_3	e1ob1C2	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: EGF_3	ECOD (1.6)
C	EGF_MSP1_1	e1ob1C1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: EGF/Laminin	F: EGF_MSP1_1	ECOD (1.6)
E	V-set_8	e1ob1E1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
E	C1-set_1	e1ob1E2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
B	V-set_8	e1ob1B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
B	C1-set_1	e1ob1B2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
D	C1-set_4	e1ob1D2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
A	C1-set_4	e1ob1A2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)

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 (202546-0)
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 (202546-0)

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 (2025-11-28)
A, D	Light Chain	IGKV4	Kappa	major merozoite surface protein	SAbDab (2025-11-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, F	PF12946	MSP1 EGF domain 1 (EGF_MSP1_1)	MSP1 EGF domain 1	This EGF-like domain is found at the C-terminus of the malaria parasite MSP1 protein. MSP1 is the merozoite surface protein 1. This domain is part of the C-terminal fragment that is proteolytically processed from the the rest of the protein and is le ...	This EGF-like domain is found at the C-terminus of the malaria parasite MSP1 protein. MSP1 is the merozoite surface protein 1. This domain is part of the C-terminal fragment that is proteolytically processed from the the rest of the protein and is left attached to the surface of the invading parasite.	Domain
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 binding binding signaling receptor binding immunoglobulin receptor binding	-	-
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	cell periphery cellular anatomical structure plasma membrane membrane extracellular region

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	IPR003597	Immunoglobulin C1-set	Domain
B, E	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, E	IPR007110	Immunoglobulin-like domain	Domain
B, E	IPR050380	Immune Recognition and Response Modulators	Family
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.