Details of the LTPs tested in this study
| LTP | Structure source | Residues | Target Membrane | Proposed mechanism | Ligand in crystal structure | Lipids tested in MD simulations |
|---|---|---|---|---|---|---|
| CPTP | 4K8N (Simanshu et al., 2013) | 8–214 | Golgi, plasma membrane, endosome, nucleus | Shuttle | Ceramide-1-phosphate | DOPA, DOPC, DPPA, DPSM, Chol, TO |
| MlaC | 5UWA (Ekiert et al., 2017) | 24–208 | Bacterial outer membrane, bacterial inner membrane | Shuttle | DOG | DOPE, DOPS, DPPE, DPSM, Chol, TO |
| PCTP | 1lN1 (Roderick et al., 2002) | 8–210 | - | Shuttle | DLPC | DOPC, DOPS, DPPC, DPSM, Chol, TO |
| NF1 | 2E2X (Welti et al., 2007) | 1,567–1,816 | Plasma membrane, nucleus, nucleolus | Shuttle | POPE | DOPE, DOPC, DPPE, DPSM, Chol, TO |
| PITP | 1T27 (Yoder et al., 2001) | 2–270 | Nucleus | Shuttle | DOPC | DOPC, DOPS, DPPC, DPSM, Chol, TO |
| Sfh1 | 3B74 (Schaaf et al., 2008) | 101–274 | Nucleus | Shuttle | DOPE | DOPE, DOPS, DPPE, DPSM, Chol, TO |
| FABP1 | 1O8V (Jakobsson et al., 2003) | 1–133 | Shuttle | Palmitic acid | DOPE, OLAC | |
| Osh4 | 1ZHY (Im et al., 2005) | 2–354 | Golgi, ER | Shuttle | Chol | Chol |
| NPC2 | 5KWY (Li et al., 2016) | 20–151 | ER, lysosome | Shuttle | Chol sulfate | DOPC, DPPC, DPSM, Chol, TO |
| ApoM | 2YG2 (Christoffersen et al., 2011) | 38–188 | - | Shuttle | S1P | OLAC, DOPC, DPPC, DPSM, Chol, TO |
| Miga2 | 8EDV (Hong et al., 2022) | 307–567 | Mitochondria | Shuttle | DPPE | DOPE, OLAC, DPPE, DPSM, Chol, TO |
| StARD11 | 2E3R (Kudo et al., 2008) | 364–598 | Golgi, ER | Shuttle | C18-Ceramide | DOPA, DOPC, DPPC, DPSM, Chol, TO |
| Osh6 | 4B2Z (Maeda et al., 2013) | 1–434 | Plasma membrane, ER | Shuttle | DSPS | DOPC, DOPS |
| FABP1 Δ6 | 1O8V | 7–133 | - | - | Palmitic acid | DOPE, OLAC, DPPE, DPSM, Chol, TO |
| Osh6-Δ69 | 4B2Z | 69–434 | - | - | DSPS | DOPC, DOPS, DPPS, DPSM, Chol, TO |
| Osh4-Δ29 | 1ZHY | 30–354 | - | - | Chol | DOPC, DPPC, DPSM, Chol, TO |
| JHBP | 2RQF (Suzuki et al., 2011) | 1–225 | - | - | Juvenile hormone III | DOPC, DOPS |
| Takeout | 3E8T (Hamiaux et al., 2009) | 5–220 | - | - | Ubiquinone-8 | DOPC, DOPS |
| Svf1 | AF-Q05515-F1 | 1–481 | Golgi, ER, nucleus | ? | - | DOPC |
| SNX25 | AF-Q9H3E2-F1 | 1–840 | Endosome | ? | - | DOPC |
| AsmA | AF-P28249-F1 | 27–577 | Plasma membrane | ? | - | DOPC |
| Mdm31 | AF-P38880-F1 | 141–579 | Mitochondrion | ? | - | DOPC |
| Lec1 | AF-Q06839-F1 | 1–1,073 | Mitochondrion | ? | - | DOPC |
| Nvj3 | AF-Q03983-F1 | 71–463 | Nucleus, vacuole, ER | ? | - | DOPC |
| Atg2 | 6A9J (Osawa et al., 2019) | 2–379 | ER, preautophagosomal membrane | Bridge | DOPE | DOPE, DOPS |
| Vps13 | 6CBC (Kumar et al., 2018) | 1–329 | Nucleus, vacuole, mitochondrion, endosome, peroxisome, prospore membrane | Bridge | - | DOPC, DOPE |
| E-Syt2 | 4P42 (Schauder et al., 2014) | 191–370a | Plasma membrane, ER | Shuttle | DOG, detergent | DOPA, DOPC |
| Atg2 | AF-P53855-F1 | 1–1,344 | ER, preautophagosomal membrane | Bridge | - | DOPC |
| Csf1 | AF | 1–2,958 Fragments: 1–1,000 1,001–2,000 2,001–2,958 | Plasma membrane, ER, mitochondrion | Bridge | - | DOPC |
| Vps13 | AF | 1–1,859 Fragments: 1–1,048 948–1,859 | Endosome, mitochondrion, prospore membrane, vacuole, nucleus, peroxisome, Golgi | Bridge | - | DOPC |
| LTP | Structure source | Residues | Target | Proposed mechanism | Ligand in crystal structure | Lipids tested in MD simulations |
|---|---|---|---|---|---|---|
| CPTP | 8–214 | Golgi, plasma membrane, endosome, nucleus | Shuttle | Ceramide-1-phosphate | DOPA, DOPC, DPPA, DPSM, Chol, TO | |
| MlaC | 24–208 | Bacterial outer membrane, bacterial inner membrane | Shuttle | DOG | DOPE, DOPS, DPPE, DPSM, Chol, TO | |
| PCTP | 8–210 | - | Shuttle | DLPC | DOPC, DOPS, DPPC, DPSM, Chol, TO | |
| NF1 | 1,567–1,816 | Plasma membrane, | Shuttle | POPE | DOPE, DOPC, DPPE, DPSM, Chol, TO | |
| PITP | 2–270 | Nucleus | Shuttle | DOPC | DOPC, DOPS, DPPC, DPSM, Chol, TO | |
| Sfh1 | 101–274 | Nucleus | Shuttle | DOPE | DOPE, DOPS, DPPE, DPSM, Chol, TO | |
| FABP1 | 1–133 | Shuttle | Palmitic acid | DOPE, OLAC | ||
| Osh4 | 2–354 | Golgi, ER | Shuttle | Chol | Chol | |
| NPC2 | 20–151 | ER, lysosome | Shuttle | Chol sulfate | DOPC, DPPC, DPSM, Chol, TO | |
| ApoM | 38–188 | - | Shuttle | S1P | OLAC, DOPC, DPPC, DPSM, Chol, TO | |
| Miga2 | 307–567 | Mitochondria | Shuttle | DPPE | DOPE, OLAC, DPPE, DPSM, Chol, TO | |
| StARD11 | 364–598 | Golgi, ER | Shuttle | C18-Ceramide | DOPA, DOPC, DPPC, DPSM, Chol, TO | |
| Osh6 | 1–434 | Plasma membrane, ER | Shuttle | DSPS | DOPC, DOPS | |
| FABP1 Δ6 | 7–133 | - | - | Palmitic acid | DOPE, OLAC, DPPE, DPSM, Chol, TO | |
| Osh6-Δ69 | 69–434 | - | - | DSPS | DOPC, DOPS, DPPS, DPSM, Chol, TO | |
| Osh4-Δ29 | 30–354 | - | - | Chol | DOPC, DPPC, DPSM, Chol, TO | |
| JHBP | 1–225 | - | - | Juvenile hormone III | DOPC, DOPS | |
| Takeout | 5–220 | - | - | Ubiquinone-8 | DOPC, DOPS | |
| Svf1 | AF-Q05515-F1 | 1–481 | Golgi, ER, nucleus | ? | - | DOPC |
| SNX25 | AF-Q9H3E2-F1 | 1–840 | Endosome | ? | - | DOPC |
| AsmA | AF-P28249-F1 | 27–577 | Plasma membrane | ? | - | DOPC |
| Mdm31 | AF-P38880-F1 | 141–579 | Mitochondrion | ? | - | DOPC |
| Lec1 | AF-Q06839-F1 | 1–1,073 | Mitochondrion | ? | - | DOPC |
| Nvj3 | AF-Q03983-F1 | 71–463 | Nucleus, vacuole, ER | ? | - | DOPC |
| Atg2 | 2–379 | ER, preautophagosomal membrane | Bridge | DOPE | DOPE, DOPS | |
| Vps13 | 1–329 | Nucleus, vacuole, mitochondrion, endosome, peroxisome, prospore membrane | Bridge | - | DOPC, DOPE | |
| E-Syt2 | 191–370 | Plasma membrane, ER | Shuttle | DOG, detergent | DOPA, DOPC | |
| Atg2 | AF-P53855-F1 | 1–1,344 | ER, preautophagosomal membrane | Bridge | - | DOPC |
| Csf1 | AF | 1–2,958 | Plasma membrane, ER, mitochondrion | Bridge | - | DOPC |
| Vps13 | AF | 1–1,859 | Endosome, mitochondrion, prospore membrane, vacuole, nucleus, peroxisome, Golgi | Bridge | - | DOPC |
Abbreviations: Chol, cholesterol; OLAC, oleic acid; DOG, dioleyl-glycerol; DLPC, dilauroyl-phosphatidylcholine; POPE, 1-Palmitoyl-2-oleoyl-phosphatidylethanolamine; DSPS, distearoyl-phosphatidylserine; S1P, sphingosine 1-phosphate. The four-letter structure IDs are from the RCSB PDB while the ones starting with "AF" are from AlphaFold.
Both chains A and B of the LTP were considered for the simulation.
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