About Gene List

PF3D7_0520900 (SAHH)

Genome location: Pf3D7_05_v3:856,500..859,367(+)

Genome classification: Core

Function and Localization

Product Description: adenosylhomocysteinase

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.3.1.1 (Adenosylhomocysteinase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020036 Maurer's cleft
Component GO:0005829 cytosol
Component GO:0005622 intracellular
Function GO:0004013 adenosylhomocysteinase activity
Function GO:0005515 protein binding
Process GO:0033353 S-adenosylmethionine cycle

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 0.66 0.70
Trophozoite expressed 2.21 0.18
Schizont expressed 0.94 0.56
Gametocyte expressed 0.35 0.82

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0520900

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: 0.194 | MFS: -2.678 | #Insertions: 0

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_1235600)

  • Relative Growth Rate: 0.78 ± 0.12
  • Confidence: 5.71

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_1235600)

Modification: Disrupted | RMgm-3350

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: P50250

"Best" AlphaFill ligand hit: NAD (nicotinamide-adenine-dinucleotide, Local RMSD=0.09) with 3OND (Global RMSD=0.88)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.3.1.1 adenosylhomocysteinase BRENDA SOAP query unsuccessful

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P50247 Adenosylhomocysteinase Mus musculus HOGENOM, OMA, OrthoDB CHEMBL299135CHEMBL327105CHEMBL8275Neplanocin A...
P23526 Adenosylhomocysteinase Homo sapiens HOGENOM, OMA, OrthoDB CHEMBL296392CHEMBL301499CHEMBL299999CHEMBL50728...
P50250 Adenosylhomocysteinase HOGENOM, OMA, OrthoDB, OrthoMCL, OrthoMCL BLAST CHEMBL129014CHEMBL129469CHEMBL129014CHEMBL261619...
P10760 Adenosylhomocysteinase Rattus norvegicus HOGENOM, OMA, OrthoDB CHEMBL2069133CHEMBL609353CHEMBL11390CHEMBL49204...
O43865 S-adenosylhomocysteine hydrolase-like protein 1 HOGENOM, OrthoDB CHEMBL2059155CHEMBL3753637CHEMBL3753746
G1SVH0 Adenosylhomocysteinase OMA US10227373, Compound 3-DeazaneplanocinUS10227373, Compound D-IsoneplanocinUS10227373, Compound L-IsoneplanocinCHEMBL154745...

Orthology Information

Ortholog Group (OrthoMCL): OG6_100715

Most Similar Human Ortholog: P23526

TM-align score: 0.98 | RMSD: 0.98

Seq Identity: 0.56 | Length: 431 / 479

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000101444 adenosylhomocysteinase

Protein Information

Protein Length: 479 | Molecular Weight (kDa): 53.839

UniProt ID(s): P50250

PDB ID(s): 1V8B

Isoelectric Point: 5.71

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000043 Adenosylhomocysteinase-like
InterPro IPR015878 S-adenosyl-L-homocysteine hydrolase, NAD binding domain
InterPro IPR020082 S-adenosyl-L-homocysteine hydrolase, conserved site
InterPro IPR036291 NAD(P)-binding domain superfamily
PFam PF00670 S-adenosyl-L-homocysteine hydrolase, NAD binding domain
PFam PF05221 Adenosylhomocysteinase-like
Superfamily SSF51735 NAD(P)-binding domain superfamily
Superfamily SSF52283

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 4 23 12 22
disruptive 1 12 16 28
missense 1 12 16 24

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 7 40 17 25
disruptive 4 38 31 85
missense 3 29 27 57

PlasmoDB Total SNPs: 132

Non-coding: 116 | Synonymous: 12 | Nonsynonymous: 3 | Stop Codon: 1

Associated Publications

PMID Title Authors DOI/Link
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
12910461 Structure, evolution, and inhibitor interaction of S-adenosyl-L-homocysteinehydrolase from Plasmodium falciparum. Bujnicki JM, Prigge ST, Caridha D, Chiang PK 10.1002/prot.10446
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
17150588 Three-dimensional structure of S-adenosyl-L-homocysteine hydrolase fromPlasmodium falciparum. Tanaka N, Nakanishi M, ..., Nakamura KT 10.1093/nass/48.1.281
27503796 Proteome mapping of Plasmodium: identification of the P. yoelii remodellome. Siau A, Huang X, ..., Preiser PR 10.1038/srep31055
31537845 The interactome of 2-Cys peroxiredoxins in Plasmodium falciparum. Brandstaedter C, Delahunty C, ..., Becker K 10.1038/s41598-019-49841-3
31631203 A network-based approach reveals novel invasion and Maurer's clefts-relatedproteins in Plasmodium falciparum. Das D, Krishnan SR, Roy A, Bulusu G 10.1039/c9mo00124g