NUBP1
Cytosolic Fe-S cluster assembly factor NUBP1
Also known as: CIAO5, NBP1, NBP35, NUBP1_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P53384
- Gene
- NUBP1
- Ensembl
- ENSG00000103274
- Chromosome
- 16
- Canonical length
- 320 aa
- Protein class
- Predicted intracellular proteins
- Subcellular location
- Golgi apparatus,Centrosome,Cytosol,Mid piece,Principal piece,End piece
OverviewNCBI Gene
NUBP1 is a member of the NUBP/MRP subfamily of ATP-binding proteins (Nakashima et al., 1999 [PubMed 10486206]).[supplied by OMIM, Mar 2008]
Canonical amino-acid sequenceUniProt
320 residues, UniProt reviewed canonical sequence.
>P53384|NUBP1
1 MEEVPHDCPG ADSAQAGRGA SCQGCPNQRL CASGAGATPD TAIEEIKEKM KTVKHKILVL
61 SGKGGVGKST FSAHLAHGLA EDENTQIALL DIDICGPSIP KIMGLEGEQV HQSGSGWSPV
121 YVEDNLGVMS VGFLLSSPDD AVIWRGPKKN GMIKQFLRDV DWGEVDYLIV DTPPGTSDEH
181 LSVVRYLATA HIDGAVIITT PQEVSLQDVR KEINFCRKVK LPIIGVVENM SGFICPKCKK
241 ESQIFPPTTG GAELMCQDLE VPLLGRVPLD PLIGKNCDKG QSFFIDAPDS PATLAYRSII
301 QRIQEFCNLH QSKEENLISSLocalizationUniProt · AlphaFold · HPA
Whether an antibody against NUBP1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.27
- Highest tissue expression
- 45 nTPM
Expression across tissuesHPA
Tissue
- heart muscle: 45 nTPM
- adrenal gland: 38 nTPM
- skeletal muscle: 36 nTPM
- tonsil: 35 nTPM
- tongue: 32 nTPM
- pancreas: 31 nTPM
Single-cell type
- cdc: 99 nCPM
- granulosa cells: 82 nCPM
- syncytiotrophoblasts: 81 nCPM
- oocytes: 74 nCPM
- cytotrophoblasts: 64 nCPM
- hofbauer cells: 62 nCPM
Immune cell
- myeloid DC: 90 nTPM
- intermediate monocyte: 88 nTPM
- classical monocyte: 83 nTPM
- memory B-cell: 76 nTPM
- naive B-cell: 70 nTPM
- non-classical monocyte: 67 nTPM
Brain region
- choroid plexus: 17 nTPM
- white matter: 14 nTPM
- spinal cord: 13 nTPM
- cerebellum: 13 nTPM
- medulla oblongata: 13 nTPM
- cerebral cortex: 13 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.61
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.94
- DepMap mean gene effect
- -1.16
- DepMap dependency class
- common
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 7% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- cell projection organization
- centrosome localization
- intracellular iron ion homeostasis
- iron-sulfur cluster assembly
- negative regulation of centrosome duplication
- protein localization to cell cortex
- regulation of cell growth
Molecular functions
- 4 iron, 4 sulfur cluster binding
- ATP binding
- ATP-dependent FeS chaperone activity
- iron-sulfur cluster binding
- metal ion binding
- nucleotide binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Iron-sulfur cluster carrier protein-like, conserved site
- AAA+ ATPase domain
- Mrp/NBP35 ATP-binding protein
- P-loop containing nucleoside triphosphate hydrolase
- Flagellum site-determining protein YlxH/ Fe-S cluster assembling factor NBP35
- NUBPL iron-transfer P-loop NTPase
- Cytosolic Fe-S cluster assembly factor NUBP1/Nbp35
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of NUBP1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads NUBP1 as an antibody target. Whether an autoantibody or antibody against NUBP1 could matter depends on whether native NUBP1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
NUBP1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label NUBP1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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