UniProt data
UniProt name: LRFN1_HUMAN (Q9P244)
Gene name: LRFN1; Synonyms=KIAA1484, SALM2
Organism: Homo sapiens (Human).
Function: Promotes neurite outgrowth in hippocampal neurons. Involved in the regulation and maintenance of excitatory synapses. Induces the clustering of excitatory postsynaptic proteins, including DLG4, DLGAP1, GRIA1 and GRIN1 (By similarity). {ECO:0000250}.
Subcellular location: Membrane {ECO:0000250}; Single-pass type I membrane protein {ECO:0000250}. Cell junction, synapse {ECO:0000250}. Cell junction, synapse, postsynaptic cell membrane, postsynaptic density {ECO:0000250}. Note=Detected in excitatory, but not inhibitory, synaptic plasma membrane. {ECO:0000250}.
Transmembrane domains:
- 537-557, 21 AA, Helical. {ECO:0000255}.
Sequence: 771 AA
CATM prediction
The sequence of LRFN1_HUMAN returned 1 potential models
The positions at the dimer's interface are highlighted in yellow. The position at the crossing point is highlighted in orange.
| # | Sequence and interface | d | θ | Z' | ω' | Score |
|---|---|---|---|---|---|---|
| 540 550 5 + | + | + | |
(Å) | (°) | (Å) | (°) | ||
| Model 1 | GTMIIAIGGVIVASVLVFIVLLMIRYK | 7.2 | -44.2° | 1.8 | 45.2 | -15.9 |
Click on the model number to visualize its details below.
MODEL 1 DETAILS
Precited structure:
Download model 1 structure: PDB, PyMOL session
List of hydrogen bonds:
| Donor | Acceptor | Distance |
|---|---|---|
| B, 539, ALA, HA | A, 538, ILE, O | 3.40Å |
| B, 542, GLY, HA1 | A, 539, ALA, O | 3.18Å |
| B, 543, VAL, HA | A, 542, GLY, O | 3.43Å |
| A, 539, ALA, HA | B, 538, ILE, O | 3.40Å |
| A, 542, GLY, HA1 | B, 539, ALA, O | 3.18Å |
| A, 543, VAL, HA | B, 542, GLY, O | 3.43Å |

