Overview
| Uniprot ID | Q52I78 |
| Protein Name | Nicotinamide phosphoribosyltransferase |
| Gene Name | NAMPT |
| Organism | Sus scrofa |
Kla Sites from experimental identification
| Position |
Flanking peptide |
| 330 |
KVLDILGKKFPVTEN |
| 48 |
EKKTENSKIRKVKYE |
| 88 |
QEAKEVYKEHFQDDV |
Function
Catalyzes the condensation of nicotinamide with 5-phosphoribosyl-1-pyrophosphate to yield nicotinamide mononucleotide, an intermediate in the biosynthesis of NAD. It is the rate limiting component in the mammalian NAD biosynthesis pathway. The secreted form behaves both as a cytokine with immunomodulating properties and an adipokine with anti-diabetic properties, it has no enzymatic activity, partly because of lack of activation by ATP, which has a low level in extracellular space and plasma. Plays a role in the modulation of circadian clock function. Plays a role in the modulation of circadian clock function. NAMPT-dependent oscillatory production of NAD regulates oscillation of clock target gene expression by releasing the core clock component: CLOCK-BMAL1 heterodimer from NAD-dependent SIRT1-mediated suppression
Protein Sequence
10
MNAAAEAEFN
20
ILLATDSYKV
30
THYKQYPPNT
40
SKVYSYFECR
50
EKKTENSKIR
60
KVKYEETVFY
70
GLQYILNKYL
80
KGKVVTKEKI
90
QEAKEVYKEH
100
FQDDVFNEKG
110
WNYILEKYDG
120
HLPIEVKAVP
130
EGSVIPRGNV
140
LFTVENTDPE
150
CYWLTNWIET
160
ILVQSWYPIT
170
VATNSREQKK
180
ILAKYLLETS
190
GNLDGLEYKL
200
HDFGYRGVSS
210
QETAGIGASA
220
HLVNFKGTDT
230
VAGIALIKKY
240
YGTKDPVPGY
250
SVPAAEHSTI
260
TAWGKDHEKD
270
AFEHIVTQFS
280
SVPVSVVSDS
290
YDIYNACEKI
300
WGEDLRHLIV
310
SRSTEAPLII
320
RPDSGNPLDT
330
VLKVLDILGK
340
KFPVTENSKG
350
YKLLPPYLRV
360
IQGDGVDINT
370
LQEIVEGMKQ
380
KKWSIENIAF
390
GSGGALLQKL
400
TRDLLNCSFK
410
CSYVVTNGLG
420
INVFKDPVAD
430
PNKRSKKGRL
440
SLHRTPGGNF
450
VTLEEGKGDL
460
EEYGHDLLHT
470
VFKNGKVTKS
480
YSFDEVRKNA
490
QLNIELEAAP
H
Gene Ontology
| Classification |
GO ID |
Description |
| Cellular Component |
GO:0005737 |
cytoplasm |
| Molecular Function |
GO:0047280 |
nicotinamide phosphoribosyltransferase activity |
| Biological Process |
GO:0032922 |
circadian regulation of gene expression |
| Biological Process |
GO:0009435 |
NAD+ biosynthetic process |
| Cellular Component |
GO:0005615 |
extracellular space |
| Cellular Component |
GO:0005634 |
nucleus |
| Molecular Function |
GO:0005125 |
cytokine activity |
| Molecular Function |
GO:0042802 |
identical protein binding |
Reference
[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.