About Gene List

PF3D7_1035500 (MSP6)

Genome location: Pf3D7_10_v3:1,406,658..1,409,053(+)

Genome classification: Core

Function and Localization

Product Description: merozoite surface protein 6

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0009986 cell surface
Function GO:0046812 host cell surface binding
Function GO:0005515 protein binding
Function GO:0044877 protein-containing complex binding
Process GO:0044409 entry into host

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite not expressed N/A N/A
Ring expressed 0.37 0.87
Trophozoite expressed 0.09 0.95
Schizont expressed 1.27 0.60
Gametocyte possibly expressed 0.04 0.98

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1035500

Resistome Missense Mutations: None

Resistome Compounds with Missense Mutations: None

Resistome # Samples with Disruptive Mutations: 0 (0 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS

MIS: 0.565 | MFS: -2.477 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IJ54

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_160723

No human ortholog(s)

Genetic Variation

MalariaGEN Pf7 (worldwide samples) # unique SNV/indels:

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 7 1 11
disruptive 45 41 16 76
missense 34 33 8 53

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 6 9 10 14
disruptive 59 66 37 84
missense 42 47 29 48

PlasmoDB Total SNPs: 105

Non-coding: 48 | Synonymous: 25 | Nonsynonymous: 32 | Stop Codon: 0

Protein Information

Protein Length: 371 | Molecular Weight (kDa): 42.275

UniProt ID(s): B7SJH5, B7SJH6, B7SJH7, B7SJH8, B7SJI0, B7SJI2, C6ZGD0, C6ZGD8, Q6R1M1, Q8IJ54, Q9GS22

PDB ID(s): None

Isoelectric Point: 4.03

Protein Domain Annotations:

Source Family ID Description
InterPro IPR010784 Merozoite surface protein-type
PFam PF07133 Merozoite surface protein-type
Superfamily N/A N/A

Associated Publications

PMID Title Authors DOI/Link
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
16713025 Plasmodium falciparum merozoite surface protein 6 (MSP-6) derived peptides binderythrocytes and partially inhibit parasite invasion. Lopez R, Valbuena J, ..., Patarroyo ME 10.1016/j.peptides.2006.02.001
16940297 Interactions between merozoite surface proteins 1, 6, and 7 of the malariaparasite Plasmodium falciparum. Kauth CW, Woehlbier U, ..., Bujard H 10.1074/jbc.M604641200
19463923 Sequence diversity and evolutionary dynamics of the dimorphic antigen merozoitesurface protein-6 and other Msp genes of Plasmodium falciparum. Roy SW, Weedall GD, ..., Ferreira MU 10.1016/j.gene.2009.05.007
20497564 Limited variation in vaccine candidate Plasmodium falciparum Merozoite SurfaceProtein-6 over multiple transmission seasons. Neal AT, Jordan SJ, ..., Rayner JC 10.1186/1475-2875-9-138
25074930 The merozoite surface protein 1 complex is a platform for binding to humanerythrocytes by Plasmodium falciparum. Lin CS, Uboldi AD, ..., Cowman AF 10.1074/jbc.M114.586495
26823464 Multiple Plasmodium falciparum Merozoite Surface Protein 1 Complexes MediateMerozoite Binding to Human Erythrocytes. Lin CS, Uboldi AD, ..., Cowman AF 10.1074/jbc.M115.698282
29760216 Plasmodium falciparum M SP3 Exists in a Complex on the Merozoite Surface and Generates Antibody Response during Natural Infection Deshmukh A, Chourasia BK, ..., Malhotra P 10.1128/IAI.00067-18
31964745 Peripheral Merozoite Surface Proteins Are Targets of Naturally Acquired Immunityagainst Malaria in both India and Ghana Garcia-Senosiain A, Kana IH, ..., Theisen M 10.1128/IAI.00778-19
15664649 Characterisation of two novel proteins from the asexual stage of Plasmodiumfalciparum, H101 and H103 Pearce JA, Mills K, ..., Anders RF 10.1016/j.molbiopara.2004.09.012
19404387 A conserved multi-gene family induces cross-reactive antibodies effective indefense against Plasmodium falciparum Singh S, Soe S, ..., Druilhe P 10.1371/journal.pone.0005410
19884337 Toward the rational design of a malaria vaccine construct using the MSP3 familyas an example: contribution of antigenicity studies in humans Demanga CG, Daher LJ, ..., Druilhe P 10.1128/IAI.01359-08
26296605 The Plasmodium gaboni genome illuminates allelic dimorphism of immunologicallyimportant surface antigens in P. falciparum Roy SW 10.1016/j.meegid.2015.08.014
20564187 Conserved regions from Plasmodium falciparum MSP11 specifically interact withhost cells and have a potential role during merozoite invasion of red bloodcells Obando-Martinez AZ, Curtidor H, ..., Patarroyo ME 10.1002/jcb.22600
15664972 Plasmodium falciparum merozoite surface protein 6 displays multiple targets fornaturally occurring antibodies that mediate monocyte-dependent parasite killing Singh S, Soe S, ..., Druilhe P 10.1128/IAI.73.2.1235-1238.2005
15339842 Disruption of Plasmodium berghei merozoite surface protein 7 gene modulatesparasite growth in vivo Tewari R, Ogun SA, ..., Holder AA 10.1182/blood-2004-06-2106
20451527 Merozoite surface proteins of the malaria parasite: the MSP1 complex and the MSP7family Kadekoppala M, Holder AA 10.1016/j.ijpara.2010.04.008
15582517 The alanine-rich heptad repeats are intact in the processed form of Plasmodiumfalciparum MSP3 Pearce JA, Hodder AN, Anders RF 10.1016/j.exppara.2004.07.017
20298576 Antibodies against multiple merozoite surface antigens of the human malariaparasite Plasmodium falciparum inhibit parasite maturation and red blood cellinvasion Woehlbier U, Epp C, ..., Bujard H 10.1186/1475-2875-9-77
19214190 A multifunctional serine protease primes the malaria parasite for red blood cellinvasion Koussis K, Withers-Martinez C, ..., Blackman MJ 10.1038/emboj.2009.22
18820076 Deletion of the Plasmodium falciparum merozoite surface protein 7 gene impairsparasite invasion of erythrocytes Kadekoppala M, O'Donnell RA, ..., Holder AA 10.1128/EC.00274-08
27185785 Merozoite Antigens of Plasmodium falciparum Elicit Strain-Transcending OpsonizingImmunity Hill DL, Wilson DW, ..., Schofield L 10.1128/IAI.00145-16