Genome location: Pf3D7_12_v3:32,703..41,940(+)
Genome classification: SubtelomericHypervariable
Product Description: erythrocyte membrane protein 1, PfEMP1
SignalP Peptide: N/A
# Transmembrane Domains: 0
EC Numbers: None
Curated GO (PlasmoDB):
| Type | GO Term | Name |
|---|---|---|
| Component | GO:0020002 | host cell plasma membrane |
| Component | GO:0020030 | infected host cell surface knob |
| Function | GO:0050839 | cell adhesion molecule binding |
| Function | GO:0046789 | host cell surface receptor binding |
| Process | GO:0020033 | antigenic variation |
| Process | GO:0098609 | cell-cell adhesion |
| Process | GO:0020035 | cytoadherence to microvasculature, mediated by symbiont protein |
| Process | GO:0020013 | modulation by symbiont of host erythrocyte aggregation |
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 | 0.01 | 0.99 |
| Trophozoite | possibly expressed | 0.02 | 0.99 |
| Schizont | possibly expressed | 0.02 | 0.99 |
| Gametocyte | possibly expressed | 0.05 | 0.97 |
More info:
Old (Pf3D7v3) Gene ID: PF3D7_1200400
Resistome Missense Mutations: P1200A, T1201S, P1209H, T2632S, H2635Q, Y2640F, Y2640H, S2641N, A2676S, N2678S
Resistome Compounds with Missense Mutations: AN13762
Resistome # Samples with Disruptive Mutations: 2 (2 missense, 2 "interesting" missense)
Zhang Phenotype: Mutable in CDS
MIS: 1 | MFS: -1.803 | #Insertions: 1
PlasmoGEM Phenotype: N/A
RMgmDB ABS Phenotype: N/A
More info: PhenoPlasm Link
AlphaFill Uniprot ID: N/A
"Best" AlphaFill ligand hit: No AlphaFill hits
No associated EC numbersNo evidence of orthology to BindingDB entries
MalariaGEN Pf7 (worldwide samples) # unique SNV/indels:
No passing variants found
PlasmoDB Total SNPs: 3322
Non-coding: 273 | Synonymous: 845 | Nonsynonymous: 2188 | Stop Codon: 16
Protein Length: 2860 | Molecular Weight (kDa): 333.25
UniProt ID(s): A0A0F6P8F4, A0A191VZ38, A0A191VZ52, A0A191VZ59, A0A191VZ75, A0A191VZ82, A0A5P1A040, A0A5P1A041, A0A5P1A0E0, A0A5P1A0J8, A0A5P1A0N3, A0A5P1A0V8, A0A5P1A162, A0A5P1A193, A0A5P1A1J1, A0A5P1A1R7, A0A5P1A286, A0A5P1A2C3, A0A5P1A2I4, A0A5P1A2Q0, A0A5P1A2Z5, A0A5P1A356, A0A5P1A3A6, A3R6S0, B5LGD6, E0A3B3, Q1KVG6, Q8I640
PDB ID(s): None
Isoelectric Point: 6.76
Protein Domain Annotations:
| Source | Family ID | Description |
|---|---|---|
| InterPro | IPR004258 | Duffy-binding-like domain |
| InterPro | IPR008602 | Duffy-antigen binding |
| InterPro | IPR017964 | DNA-directed DNA polymerase, family B, conserved site |
| InterPro | IPR029210 | Plasmodium falciparum erythrocyte membrane protein-1, N-terminal segment |
| InterPro | IPR029211 | Plasmodium falciparum erythrocyte membrane protein 1, acidic terminal segment |
| PFam | PF03011 | Duffy-binding-like domain |
| PFam | PF05424 | Duffy-antigen binding |
| PFam | PF15445 | Plasmodium falciparum erythrocyte membrane protein 1, acidic terminal segment |
| PFam | PF15447 | Plasmodium falciparum erythrocyte membrane protein-1, N-terminal segment |
| Superfamily | SSF140924 | N/A |
| PMID | Title | Authors | DOI/Link |
|---|---|---|---|
| 9230440 | P. falciparum rosetting mediated by a parasite-variant erythrocyte membraneprotein and complement-receptor 1. | Rowe JA, Moulds JM, Newbold CI, Miller LH | 10.1038/40888 |
| 9291676 | Knob proteins in falciparum malaria. | Sharma YD | https://pubmed.ncbi.nlm.nih.gov/9291676/ |
| 9786187 | A recombinant peptide based on PfEMP-1 blocks and reverses adhesion ofmalaria-infected red blood cells to CD36 under flow. | Cooke BM, Nicoll CL, Baruch DI, Coppel RL | 10.1046/j.1365-2958.1998.01040.x |
| 11316367 | Variant antigens of Plasmodium falciparum encoded by the var multigenic familyare multifunctional macromolecules. | Nogueira PA, Wunderlich G, Pereira da Silva LH | 10.1016/s0923-2508(01)01184-6 |
| 11420100 | Molecules on the surface of the Plasmodium falciparum infected erythrocyte andtheir role in malaria pathogenesis and immune evasion. | Craig A, Scherf A | https://pubmed.ncbi.nlm.nih.gov/11420100/ |
| 12368864 | Genome sequence of the human malaria parasite Plasmodium falciparum. | Gardner MJ, Hall N, ..., Barrell B | 10.1038/nature01097 |
| 18785843 | Antigenic variation in Plasmodium falciparum. | Scherf A, Lopez-Rubio JJ, Riviere L | 10.1146/annurev.micro.61.080706.093134 |