Genome location: Pf3D7_09_v3:20,080..27,885(+)
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 |
| Process | GO:0098609 | cell-cell adhesion |
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 | 0.01 | 0.99 |
| Trophozoite | expressed | 0.02 | 0.99 |
| Schizont | expressed | 0.03 | 0.98 |
| Gametocyte | expressed | 0.03 | 0.98 |
More info:
Old (Pf3D7v3) Gene ID: PF3D7_0900100
Resistome Missense Mutations: M609I, M609V, G1202D, N1969K, T2238S
Resistome Compounds with Missense Mutations: AN13762, OSM-S-106
Resistome # Samples with Disruptive Mutations: 8 (3 missense, 1 "interesting" missense)
Zhang Phenotype: Mutable in CDS
MIS: 1 | MFS: -2.085 | #Insertions: 1
PlasmoGEM Phenotype: N/A
RMgmDB ABS Phenotype: N/A
More info: PhenoPlasm Link
AlphaFill Uniprot ID: Q8I3E5
"Best" AlphaFill ligand hit: 3PO (triphosphate, Local RMSD=1.80) with 5MZA (Global RMSD=5.80)
No associated EC numbersNo evidence of orthology to BindingDB entries
MalariaGEN Pf7 (worldwide samples) # unique SNV/indels:
No passing variants found
PlasmoDB Total SNPs: 2669
Non-coding: 429 | Synonymous: 615 | Nonsynonymous: 1610 | Stop Codon: 15
Protein Length: 2270 | Molecular Weight (kDa): 258.411
UniProt ID(s): A0A5P1A0E9, A0A5P1A0K2, A0A5P1A0T7, A0A5P1A0W9, A0A5P1A0Z7, A0A5P1A146, A0A5P1A176, A0A5P1A1Q1, A0A5P1A2H2, A0A5P1A2Z3, A0A5P1A3A1, A3R6S6, A3R6T0, A3R6T3, Q8I3E5
PDB ID(s): None
Isoelectric Point: 5.36
Protein Domain Annotations:
| Source | Family ID | Description |
|---|---|---|
| InterPro | IPR004258 | Duffy-binding-like domain |
| InterPro | IPR008602 | Duffy-antigen binding |
| InterPro | IPR029210 | Plasmodium falciparum erythrocyte membrane protein-1, N-terminal segment |
| InterPro | IPR029211 | Plasmodium falciparum erythrocyte membrane protein 1, acidic terminal segment |
| InterPro | IPR041480 | Cysteine-rich interdomain region 1 gamma |
| 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 |
| PFam | PF18562 | Cysteine-rich interdomain region 1 gamma |
| Superfamily | SSF140924 | N/A |
| PMID | Title | Authors | DOI/Link |
|---|---|---|---|
| 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/ |
| 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 |