About Gene List

PF3D7_0930300 (MSP1)

Genome location: Pf3D7_09_v3:1,201,305..1,207,576(+)

Genome classification: Core

Function and Localization

Product Description: merozoite surface protein 1

SignalP Peptide: MKIIFFLCSFLFFIINTQC

# Transmembrane Domains: 1

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0046658 anchored component of plasma membrane
Component GO:1903561 extracellular vesicle
Component GO:0020020 food vacuole
Component GO:0005634 nucleus
Function GO:0003723 RNA binding
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
Process GO:0035891 exit from host cell

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite expressed N/A N/A
Ring expressed 1.11 0.65
Trophozoite expressed 1.71 0.41
Schizont expressed 5.08 0.00
Gametocyte expressed 0.44 0.77

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0930300

Resistome Missense Mutations: T465S, E894K

Resistome Compounds with Missense Mutations: Lopinavir, MMV000570

Resistome # Samples with Disruptive Mutations: 2 (2 missense, 1 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS

MIS: 0.141 | MFS: -3.197 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_0831000)

  • Relative Growth Rate: 0.21 ± 0.44
  • Confidence: 3.01

RMgmDB ABS Phenotype: Not different from wild type (Pb ortholog: PBANKA_0831000)

Modification: Mutated | RMgm-4745

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I0U8

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_532656

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 20 56 25 66
disruptive 193 144 65 162
missense 150 94 56 115

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 24 107 51 78
disruptive 226 234 106 282
missense 161 158 80 176

PlasmoDB Total SNPs: 495

Non-coding: 96 | Synonymous: 87 | Nonsynonymous: 312 | Stop Codon: 0

Protein Information

Protein Length: 1720 | Molecular Weight (kDa): 195.726

UniProt ID(s): A5A7B4, M1UZN7, M1UZP7, M1UZQ3, M1UZX1, M1VF09, M1VKH7, M1VKQ7, M1VNZ6, Q25922, Q8I0U8

PDB ID(s): 8DFG, 8DFH, 8DFI

Isoelectric Point: 6.45

Protein Domain Annotations:

Source Family ID Description
InterPro IPR010901 Merozoite surface 1, C-terminal
InterPro IPR024730 Merozoite surface protein, EGF domain 1
PFam PF07462 Merozoite surface 1, C-terminal
PFam PF12946 Merozoite surface protein, EGF domain 1
Superfamily SSF57196 N/A

Associated Publications

PMID Title Authors DOI/Link
8992312 Structural analysis of the glycosyl-phosphatidylinositol membrane anchor of themerozoite surface proteins-1 and -2 of Plasmodium falciparum. Gerold P, Schofield L, ..., Schwarz RT 10.1016/0166-6851(95)02518-9
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
16289042 Two Plasmodium falciparum merozoite proteins binding to erythrocyte band 3 form adirect complex. Kariuki MM, Li X, ..., Oh SS https://pubmed.ncbi.nlm.nih.gov/16289042/
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
17068840 Synthesis, solution structure and immune recognition of an epidermal growthfactor-like domain from Plasmodium falciparum merozoite surface protein-1. James S, Moehle K, ..., Robinson JA 10.1002/cbic.200600357
17347029 Allelic diversity in the merozoite surface protein 1 gene of Plasmodiumfalciparum on Palawan Island, the Philippines. Sakihama N, Nakamura M, ..., Tanabe K 10.1016/j.parint.2007.01.011
17355170 Dynamics of polymorphism in a malaria vaccine antigen at a vaccine-testing sitein Mali. Takala SL, Coulibaly D, ..., Plowe CV 10.1371/journal.pmed.0040093
17659072 Polymorphism and epitope sharing between the alleles of merozoite surfaceprotein-1 of Plasmodium falciparum among Indian isolates. Mamillapalli A, Sunil S, ..., Malhotra P 10.1186/1475-2875-6-95
18292564 Fine specificity of neonatal lymphocytes to an abundant malaria blood-stageantigen: epitope mapping of Plasmodium falciparum MSP1(33). Malhotra I, Wamachi AN, ..., King CL 10.4049/jimmunol.180.5.3383
18333885 MSP1(19) miniproteins can serve as targets for invasion inhibitory antibodies inPlasmodium falciparum provided they contain the correct domains for cell surfacetrafficking. Gilson PR, O'Donnell RA, ..., Crabb BS 10.1111/j.1365-2958.2008.06140.x
18577328 Association of msp-1, msp-2 and pfcrt genes with the severe complications ofPlasmodium falciparum malaria in children. Sahu PK, Pati SS, Satpathy R 10.1179/136485908X300814
19069502 A preliminary study of genetic diversity of MSP-1 types in Plasmodium falciparumin southern province of Sistan Baluchistan of Iran. Zahra Z, Reza RM, ..., Mohammad R 10.3923/pjbs.2007.368.372
19326702 Genetic diversity in Plasmodium falciparum merozoite surface protein 1 and 2coding genes and its implications in malaria epidemiology: a review of publishedstudies from 1997-2007. Kiwanuka GN https://pubmed.ncbi.nlm.nih.gov/19326702/
19933832 Plasmodium falciparum merozoite surface protein 1 (MSP-1)-MSP-3 chimeric protein:immunogenicity determined with human-compatible adjuvants and induction ofprotective immune response. Mazumdar S, Mukherjee P, ..., Chauhan VS 10.1128/IAI.00427-09
20070906 Shift in epitope dominance of IgM and IgG responses to Plasmodium falciparum MSP1block 4. Chang SP, Kayatani AK, ..., Taylor DW 10.1186/1475-2875-9-14
20478015 Genetic polymorphism of merozoite surface protein-1 and merozoite surfaceprotein-2 in Plasmodium falciparum field isolates from Myanmar. Kang JM, Moon SU, ..., Na BK 10.1186/1475-2875-9-131
20735778 Regulated maturation of malaria merozoite surface protein-1 is essential forparasite growth. Child MA, Epp C, Bujard H, Blackman MJ 10.1111/j.1365-2958.2010.07324.x
21136929 Food vacuole proteome of the malarial parasite Plasmodium falciparum. Lamarque M, Tastet C, ..., Dubremetz JF 10.1002/prca.200700112
21175202 Proteome analysis reveals a large merozoite surface protein-1 associated complexon the Plasmodium falciparum merozoite surface. Ranjan R, Chugh M, ..., Malhotra P 10.1021/pr100875y
21278348 Human cord blood CD4+CD25hi regulatory T cells suppress prenatally acquired Tcell responses to Plasmodium falciparum antigens. Mackroth MS, Malhotra I, ..., King CL 10.4049/jimmunol.1001188
22177111 Genetic analysis of the merozoite surface protein-1 block 2 allelic types inPlasmodium falciparum clinical isolates from Lao PDR. Khaminsou N, Kritpetcharat O, ..., Kritpetcharat P 10.1186/1475-2875-10-371
22325817 Genetic diversity in merozoite surface protein-1 and 2 among Plasmodiumfalciparum isolates from malarious districts of tribal dominant state ofJharkhand, India. Hussain MM, Sohail M, ..., Raziuddin M 10.1179/2047773211Y.0000000012
22431641 Plasmodium falciparum merozoite surface protein 1 blocks the proinflammatoryprotein S100P. Waisberg M, Cerqueira GC, ..., Pierce SK 10.1073/pnas.1202689109
22439658 Genetic diversity in the block 2 region of the merozoite surface protein-1 ofPlasmodium falciparum in central India. Bharti PK, Shukla MM, Sharma YD, Singh N 10.1186/1475-2875-11-78
23451153 New insights for native production of MSP1(19), the disulfide-rich C-terminalfragment from Plasmodium falciparum merozoite surface protein 1. Planson AG, Guijarro JI, Chaffotte AF 10.1371/journal.pone.0057086
23682431 C-terminal polymorphism of Plasmodium falciparium merozoite surface protein-1(MSP-1) from Tak Province, Thailand. Viputtigul K, Tungpukdee N, ..., Krudsood S https://pubmed.ncbi.nlm.nih.gov/23682431/
24303947 Analysis of human B-cell responses following ChAd63-MVA MSP1 and AMA1immunization and controlled malaria infection. Elias SC, Choudhary P, ..., Draper SJ 10.1111/imm.12226
24321092 Seasonal changes in the antibody responses against Plasmodium falciparummerozoite surface antigens in areas of differing malaria endemicity in Indonesia. Supargiyono S, Bretscher MT, ..., Drakeley CJ 10.1186/1475-2875-12-444
24456636 Polymorphism of the merozoite surface protein-1 block 2 region in Plasmodiumfalciparum isolates from Mauritania. Ahmedou Salem MS, Ndiaye M, ..., Mohamed Salem O Boukhary AO 10.1186/1475-2875-13-26
25157665 Human erythrocyte band 3 functions as a receptor for the sialic acid-independentinvasion of Plasmodium falciparum. Role of the RhopH3-MSP1 complex. Baldwin M, Yamodo I, ..., Chishti AH 10.1016/j.bbamcr.2014.08.008
25604491 alpha-Thalassaemia trait is associated with antibody prevalence against malariaantigens AMA-1 and MSP-1. Daou M, Kituma E, ..., Doumbo O 10.1093/tropej/fmu077
25778531 Merozoite surface protein 1 recognition of host glycophorin A mediates malariaparasite invasion of red blood cells. Baldwin MR, Li X, ..., Chishti AH 10.1182/blood-2014-11-611707
25786326 Genetic polymorphism of merozoite surface protein-1 in Plasmodium falciparumisolates from patients with mild to severe malaria in Libreville, Gabon. Bouyou-Akotet MK, M'Bondoukwe NP, Mawili-Mboumba DP 10.1051/parasite/2015012
26468747 Processing of Plasmodium falciparum Merozoite Surface Protein MSP1 Activates aSpectrin-Binding Function Enabling Parasite Egress from RBCs. Das S, Hertrich N, ..., Blackman MJ 10.1016/j.chom.2015.09.007
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
28719950 Isolation and Characterization of Vaccine Candidate Genes Including CSP and MSP1in Plasmodium yoelii. Kim SH, Bae YA, Seoh JY, Yang HJ 10.3347/kjp.2017.55.3.255
28944300 Proteomic analysis of extracellular vesicles from a Plasmodium falciparum Kenyanclinical isolate defines a core parasite secretome. Abdi A, Yu L, ..., Rayner J 10.12688/wellcomeopenres.11910.2
29029367 Genetic diversity of Plasmodium falciparum merozoite surface protein-1 (block 2),glutamate-rich protein and sexual stage antigen Pfs25 from Chandigarh, NorthIndia. Kaur H, Sehgal R, ..., Kanwar JR 10.1111/tmi.12990
29138437 Photosensitized INA-Labelled protein 1 (PhIL1) is novel component of the innermembrane complex and is required for Plasmodium parasite development. Saini E, Zeeshan M, ..., Tewari R 10.1038/s41598-017-15781-z
29355145 Molecular characterization of Plasmodium falciparum in Arunachal Pradesh fromNortheast India based on merozoite surface protein 1 & glutamate-rich protein. Sarmah NP, Sarma K, ..., Mahanta J 10.4103/ijmr.IJMR_291_16
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
32127816 Genetic polymorphism of Merozoite Surface Protein 1 (msp1) and 2 (msp2) genes andmultiplicity of Plasmodium falciparum infection across various endemic areas inSenegal. Ndiaye T, Sy M, Gaye A, Ndiaye D 10.4314/ahs.v19i3.19
33145997 Prefoldin subunit 6 of Plasmodium falciparum binds merozoite surface protein-1. Kumar V, Shoaib R, ..., Singh S 10.1002/2211-5463.13022
33906926 Functional Characterization of the m(6)A-Dependent Translational Modulator PfYTH Sinha A, Baumgarten S, ..., Scherf A 10.1128/mBio.00661-21
34087264 Diversity and natural selection of Merozoite surface Protein-1 in three speciesof human malaria parasites: Contribution from South-East Asian isolates. Goh XT, Lim YAL, ..., Chua KH 10.1016/j.molbiopara.2021.111390
34579727 Detection of high frequency of MAD20 allelic variants of Plasmodium falciparummerozoite surface protein 1 gene from Adama and its surroundings, Oromia,Ethiopia. File T, Chekol T, ..., Golassa L 10.1186/s12936-021-03914-9
34993632 Plasmodium falciparum msp1 and msp2 genetic diversity in parasites isolated fromsymptomatic and asymptomatic malaria subjects in the South of Benin. Lagnika HO, Moussiliou A, ..., Djogbenou LS 10.1007/s00436-021-07399-y
36522733 Low genetic diversity of Plasmodium falciparum merozoite surface protein 1 and 2and multiplicity of infections in western Ethiopia following effective malariainterventions. Tadele G, Jaiteh FK, ..., Golassa L 10.1186/s12936-022-04394-1
38111629 Merozoite surface protein 1 paralog is involved in the human erythrocyte invasionof a zoonotic malaria, Plasmodium knowlesi Lee SK, Nguyen TK, ..., Han ET 10.3389/fcimb.2023.1314533
37751696 A genomic platform for surveillance and antigen discovery in Plasmodium spp.using long-read amplicon sequencing Plaza DF, Zerebinski J, ..., Farnert A 10.1016/j.crmeth.2023.100574
38281044 msp1, msp2, and glurp genotyping to differentiate Plasmodium falciparumrecrudescence from reinfections during prevention of reestablishment phase, SriLanka, 2014-2019 Gunasekera KT, Premaratne RG, ..., Fernando DS 10.1186/s12936-024-04858-6
38400191 IgG Subclass Switch in Volunteers Repeatedly Immunized with the Full-LengthPlasmodium falciparum Merozoite Surface Protein 1 (MSP1) Rathay V, Furle K, ..., Thomson-Luque R 10.3390/vaccines12020208
37723449 Tracking the geographical origin of Plasmodium falciparum causing a rare severecase of malaria imported into Palestine, a zero-indigenous case area Al-Jawabreh A, Ereqat S, ..., Nasereddin A 10.1186/s12879-023-08583-4
37754682 Associations between prenatal malaria exposure, maternal antibodies at birth, andmalaria susceptibility during the first year of life in Burkina Faso Natama HM, Moncunill G, ..., Dobano C 10.1128/iai.00268-23
37693871 Analytical approaches for antimalarial antibody responses to confirm historicaland recent malaria transmission: an example from the Philippines Macalinao MLM, Fornace KM, ..., Drakeley CJ 10.1016/j.lanwpc.2023.100792
37897161 Multiplicity of infection of Plasmodium knowlesi in Malaysia: an application ofPkmsp-1 block IV Noordin NR, Azhar A, ..., Fong MY 10.47665/tb.40.3.004
37978446 Genetic diversity of merozoite surface protein-5 (MSP-5) of Plasmodium vivaxisolates from Malaria patients in Iran Mansouri S, Heidari A, ..., Mahmoudi E 10.1186/s12879-023-08804-w
38392910 A Comparative Study of Genetic Diversity and Multiplicity of Infection inUncomplicated Plasmodium falciparum Infections in Selected Regions ofPre-Elimination and High Transmission Settings Using MSP1 and MSP2 Genes Akoniyon OP, Akiibinu M, ..., Okpeku M 10.3390/pathogens13020172
38100310 Plasmodium falciparum merozoite surface protein 1 as asexual blood stage malariavaccine candidate Thomson-Luque R, Stabler TC, ..., Daubenberger C 10.1080/14760584.2023.2295430
38043541 Genetic polymorphism of merozoite surface protein 1 and antifolate-resistantgenes in Plasmodium falciparum from Mali and Niger Lamine MM, Maman R, Maiga AA, Laminou IM 10.3347/PHD.23049
38254075 Geospatial analysis of Plasmodium falciparum serological indicators: schoolversus community sampling in a low-transmission malaria setting Jaramillo-Underwood A, Herman C, ..., Rogier E 10.1186/s12916-023-03145-6
37849789 Plasmodium falciparum Genetic Diversity and Resistance Genotype Profile inInfected Placental Samples Collected After Delivery in Ouagadougou Sawadogo H, Soulama I, ..., Savadogo A 10.2147/IDR.S420004