About Gene List

PF3D7_1241600 (SAMC)

Genome location: Pf3D7_12_v3:1,774,021..1,776,962(+)

Genome classification: Core

Function and Localization

Product Description: S-adenosylmethionine mitochondrial carrier protein

SignalP Peptide: N/A

# Transmembrane Domains: 4

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005743 mitochondrial inner membrane
Component GO:0005739 mitochondrion
Function GO:0000095 S-adenosyl-L-methionine transmembrane transporter activity
Process GO:1901962 S-adenosyl-L-methionine transmembrane transport

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite possibly expressed N/A N/A
Ring possibly expressed 0.02 0.99
Trophozoite expressed 0.11 0.93
Schizont expressed 0.02 0.99
Gametocyte expressed 0.04 0.97

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1241600

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: 0.138 | MFS: -3.308 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1455000)

  • Relative Growth Rate: 0.08 ± 0.07
  • Confidence: 6.77

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I513

"Best" AlphaFill ligand hit: CXT (carboxyatractyloside, Local RMSD=1.22) with 4C9G (Global RMSD=3.37)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_102662

Most Similar Human Ortholog: Q70HW3

TM-align score: 0.88 | RMSD: 2.10

Seq Identity: 0.31 | Length: 249 / 256

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000144741 solute carrier family 25 member 26
ENSG00000282739 solute carrier family 25 member 26

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 4 18 9 10
disruptive 11 35 7 32
missense 11 34 5 30

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 4 38 11 13
disruptive 17 69 33 61
missense 15 58 29 43

PlasmoDB Total SNPs: 151

Non-coding: 122 | Synonymous: 16 | Nonsynonymous: 13 | Stop Codon: 0

Protein Information

Protein Length: 256 | Molecular Weight (kDa): 28.774

UniProt ID(s): Q8I513

PDB ID(s): None

Isoelectric Point: 9.02

Protein Domain Annotations:

Source Family ID Description
InterPro IPR018108 Mitochondrial substrate/solute carrier
InterPro IPR023395 Mitochondrial carrier domain superfamily
PFam PF00153 Mitochondrial substrate/solute carrier
Superfamily SSF103506 Mitochondrial carrier domain superfamily

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
32574727 Characterization of mitochondrial carrier proteins of malaria parasite Plasmodiumfalciparum based on in vitro translation and reconstitution. Nozawa A, Ito D, ..., Tozawa Y 10.1016/j.parint.2020.102160
34494883 A Prioritized and Validated Resource of Mitochondrial Proteins in PlasmodiumIdentifies Unique Biology. van Esveld SL, Meerstein-Kessel L, ..., Huynen MA 10.1128/mSphere.00614-21
35464759 Aberrant Expression of Mitochondrial SAM Transporter SLC25A26 Impairs Oocyte Maturation and Early Development in Mice Cheng GP, Guo SM, ..., Zhou LQ 10.1155/2022/1681623
35730628 Mitochondrial transport and metabolism of the major methyl donor and versatilecofactor S-adenosylmethionine, and related diseases: A review(dagger) Monne M, Marobbio CMT, ..., Palmieri F 10.1002/iub.2658