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Overview

Uniprot IDI3LTH4
Protein NameCytosolic Fe-S cluster assembly factor NUBP1
Gene NameNUBP1
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
218 KEISFCHKVKLPIIG
63 KILVLSGKGGVGKST

Function

Component of the cytosolic iron-sulfur (Fe/S) protein assembly (CIA) machinery. Required for maturation of extramitochondrial Fe-S proteins. The NUBP1-NUBP2 heterotetramer forms a Fe-S scaffold complex, mediating the de novo assembly of an Fe-S cluster and its transfer to target apoproteins. Implicated in the regulation of centrosome duplication. Negatively regulates cilium formation and structure

Protein Sequence

10 MEEVPHDCPG 20 TGSAQAGRGA 30 SCQGCPNQRL 40 CASGAGAAPD 50 PAIEEIKEKM 60 KTVKHKILVL 70 SGKGGVGKST 80 FSAHLAHGLA 90 EDENTQVALL 100 DIDICGPSIP 110 KIMGLEGEQV 120 HQSGSGWSPV 130 FLEDNLGVMS 140 VGFLLSSPDD 150 AVIWRGPKKN 160 GMIKQFLRDV 170 DWGELDYLIV 180 DTPPGTSDEH 190 LSAVQYLAGA 200 HIDGAVLITT 210 PQEVSLQDVR 220 KEISFCHKVK 230 LPIIGVVENM 240 SSFLCPRCQK 250 ESQIFPPTTG 260 GAEVMCQDLK 270 IPLLGKVPLD 280 PRIGGCSAAA 290 ARGSPPPPLR 300 GAEEQGPPGG 310 GRPGRAEKRR 320 LGAPGTGRAL 330 RGPPRSGASM RGAPSSQD

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005634 nucleus
Molecular Function GO:0051539 4 iron, 4 sulfur cluster binding
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0140663 ATP-dependent FeS chaperone activity
Molecular Function GO:0046872 metal ion binding
Biological Process GO:0016226 iron-sulfur cluster assembly

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.