About Gene List

PF3D7_1147800 (MAEBL)

Genome location: Pf3D7_11_v3:1,899,181..1,905,942(+)

Genome classification: Core

Function and Localization

Product Description: membrane associated erythrocyte binding-like protein

SignalP Peptide: MGVLKHFFFLLFLYVNNTSA

# Transmembrane Domains: 1

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020007 apical complex
Component GO:0020008 rhoptry
Function GO:0046812 host cell surface 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 expressed N/A N/A
Ring not expressed nd nd
Trophozoite possibly expressed nd nd
Schizont expressed nd nd
Gametocyte possibly expressed nd nd

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1147800.2

Resistome Missense Mutations: A1697V

Resistome Compounds with Missense Mutations: AN13762

Resistome # Samples with Disruptive Mutations: 1 (1 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Mutable in CDS

MIS: 1 | MFS: -0.858 | #Insertions: 10

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: Not tested (Pb ortholog: PBANKA_0901300)

Modification: Tagged | RMgm-5216

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: A0A144A3C7

"Best" AlphaFill ligand hit: LVV (4-[(4-methylphenyl)methyl]-1,4-thiazinane 1,1-dioxide, Local RMSD=6.05) with 5QSP (Global RMSD=14.19)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_532934

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 14 68 38 84
disruptive 37 165 86 217
missense 33 152 76 193

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 25 124 67 87
disruptive 69 355 177 326
missense 52 288 158 235

PlasmoDB Total SNPs: 433

Non-coding: 46 | Synonymous: 300 | Nonsynonymous: 87 | Stop Codon: 0

Protein Information

Protein Length: 2055 | Molecular Weight (kDa): 243.213

UniProt ID(s): J7GRT8, Q078Q1, Q078Q2, Q078Q7, Q078Q8, Q078R2, Q078R3, Q078S0, Q7K5Q5, Q7K5Q6, Q8IHP3, Q8T5C7, Q8T7Y1

PDB ID(s): None

Isoelectric Point: 9.3

Protein Domain Annotations:

Source Family ID Description
InterPro IPR021620 Erythrocyte binding antigen 175, C-terminal
PFam PF11556 Erythrocyte binding antigen 175, C-terminal
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
15465047 Conservation and developmental control of alternative splicing in maebl amongmalaria parasites. Singh N, Preiser P, ..., Adams JH 10.1016/j.jmb.2004.08.047
17688178 Comparative analysis of molecular variation in Plasmodium falciparum and P.reichenowi maebl gene. Verra F, Polley SD, Thomas AW, Conway DJ https://pubmed.ncbi.nlm.nih.gov/17688178/
18509478 The transmembrane isoform of Plasmodium falciparum MAEBL is essential for theinvasion of Anopheles salivary glands. Saenz FE, Balu B, ..., Adams JH 10.1371/journal.pone.0002287
28371168 A MA1 and M AEBL are important for Plasmodium falciparum sporozoite infection ofthe liver Yang ASP, Lopaticki S, ..., Boddey JA 10.1111/cmi.12745
26169268 Immunization with the MAEBL M2 Domain Protects against Lethal Plasmodium yoeliiInfection Leite JA, Bargieri DY, ..., Costa FT 10.1128/IAI.00262-15
26712012 Dissecting the interface between apicomplexan parasite and host cell: Insightsfrom a divergent AMA-RON2 pair Parker ML, Penarete-Vargas DM, ..., Boulanger MJ 10.1073/pnas.1515898113
18950624 Identification of the transcription initiation site reveals a novel transcriptstructure for Plasmodium falciparum maebl Balu B, Blair PL, Adams JH 10.1016/j.exppara.2008.10.003
35628522 MAEBL Contributes to Plasmodium Sporozoite Adhesiveness Sa M, Costa DM, ..., Tavares J 10.3390/ijms23105711
17041140 Developmental biology of sporozoite-host interactions in Plasmodium falciparummalaria: implications for vaccine design Garcia JE, Puentes A, Patarroyo ME 10.1128/CMR.00063-05
27130708 Breadth of humoral response and antigenic targets of sporozoite-inhibitoryantibodies associated with sterile protection induced by controlled human malariainfection Peng K, Goh YS, ..., Renia L 10.1111/cmi.12608
33044985 Whole genome sequencing of Plasmodium vivax isolates reveals frequent sequenceand structural polymorphisms in erythrocyte binding genes Ford A, Kepple D, ..., Lo E 10.1371/journal.pntd.0008234
19016774 Role for the Plasmodium sporozoite-specific transmembrane protein S6 in parasitemotility and efficient malaria transmission Steinbuechel M, Matuschewski K 10.1111/j.1462-5822.2008.01252.x
16154214 Structural comparison of apical membrane antigen 1 orthologues and paralogues inapicomplexan parasites Chesne-Seck ML, Pizarro JC, ..., Bentley GA 10.1016/j.molbiopara.2005.07.007
15811533 Targeted disruption of maebl in Plasmodium falciparum Fu J, Saenz FE, ..., Adams JH 10.1016/j.molbiopara.2004.12.017
17040128 Two Plasmodium rhomboid proteases preferentially cleave different adhesinsimplicated in all invasive stages of malaria Baker RP, Wijetilaka R, Urban S 10.1371/journal.ppat.0020113
23224610 Identification and expression of maebl, an erythrocyte-binding gene, inPlasmodium gallinaceum Martinez C, Marzec T, ..., Sehgal RN 10.1007/s00436-012-3211-4
33335684 The protozoan parasite Toxoplasma gondii encodes a gamut of phosphodiesterasesduring its lytic cycle in human cells Vo KC, Gunay-Esiyok O, Liem N, Gupta N 10.1016/j.csbj.2020.11.024
38277340 Longitudinal analysis of antibody responses to Plasmodium vivax sporozoiteantigens following natural infection Thawornpan P, Nicholas J, ..., Chootong P 10.1371/journal.pntd.0011907
29316918 In silico epitope mapping and experimental evaluation of the Merozoite AdhesiveErythrocytic Binding Protein (MAEBL) as a malaria vaccine candidate Cravo P, Machado RB, ..., Costa FTM 10.1186/s12936-017-2144-x
37703302 Preliminary characterization of Plasmodium vivax sporozoite antigens aspre-erythrocytic vaccine candidates Nicholas J, De SL, ..., Adams JH 10.1371/journal.pntd.0011598