PomBase home

protein coding gene - apm1 (SPBP16F5.07) - AP-1 adaptor complex mu subunit Apm1

Gene summary

Standard name
apm1
Systematic ID
SPBP16F5.07
Product
AP-1 adaptor complex mu subunit Apm1
Organism
Schizosaccharomyces pombe (fission yeast)
UniProt ID
Q9HFE5
ORFeome ID
33/33B01
Characterisation status
biological role published
Feature type
mRNA gene
Genomic location
chromosome II: 1910141..1911815 forward strand

Annotation

GO biological process

GO:0099638 - endosome to plasma membrane protein transport

References:

GO:0006895 - Golgi to endosome transport

References:

GO:0043001 - Golgi to plasma membrane protein transport

References:

GO:0042147 - retrograde transport, endosome to Golgi

References:

GO:0016192 - vesicle-mediated transport

References:

GO cellular component

GO:0030121 - AP-1 adaptor complex

References:

GO:0032153 - cell division site

References:

GO:0051286 - cell tip

References:

GO:0005905 - clathrin-coated pit

References:

GO:0005829 - cytosol

References:

GO:0005768 - endosome

References:

GO:0005794 - Golgi apparatus

References:

GO:0044732 - mitotic spindle pole body

References:

GO:0005634 - nucleus

References:

GO molecular function

GO:0035615 - clathrin-cargo adaptor activity

References:

Modification

MOD:00047 - O-phospho-L-threonine

References:

MOD:00696 - phosphorylated residue

References:

MOD:01148 - ubiquitinylated lysine

References:

Multi-locus phenotype

FYPO:0000349 - abnormal Golgi morphology

References:

Genotypes:

FYPO:0007677 - abnormal sterol distribution

References:

Genotypes:

FYPO:0002128 - abolished protein localization to plasma membrane, with protein mislocalized to cytoplasm, during vegetative growth

References:

Genotypes:

FYPO:0002159 - decreased 1,3-beta-D-glucan synthase activity

References:

Genotypes:

FYPO:0000082 - decreased cell population growth at high temperature

References:

Genotypes:

FYPO:0003771 - decreased protein localization to plasma membrane of cell tip during vegetative growth

References:

Genotypes:

FYPO:0001355 - decreased vegetative cell population growth

References:

Genotypes:

FYPO:0002061 - inviable vegetative cell population

References:

Genotypes:

FYPO:0007676 - normal intracellular sterol transport

References:

Genotypes:

FYPO:0000833 - normal protein level during vegetative growth

References:

Genotypes:

FYPO:0000079 - sensitive to caspofungin

References:

Genotypes:

FYPO:0002788 - small vacuoles during vegetative growth

References:

Genotypes:

Quantitative gene expression

PBO:0006310 - protein level

References:

PBO:0011963 - RNA level

References:

Single locus phenotype

FYPO:0000349 - abnormal Golgi morphology

References:

Genotypes:

FYPO:0000059 - abnormal mitotic cell cycle

References:

Genotypes:

FYPO:0007588 - abolished protein localization to late endosome

References:

Genotypes:

FYPO:0002126 - abolished protein localization to plasma membrane during vegetative growth

References:

Genotypes:

FYPO:0002128 - abolished protein localization to plasma membrane, with protein mislocalized to cytoplasm, during vegetative growth

References:

Genotypes:

FYPO:0002159 - decreased 1,3-beta-D-glucan synthase activity

References:

Genotypes:

FYPO:0000082 - decreased cell population growth at high temperature

References:

Genotypes:

FYPO:0002321 - decreased cellular ergosterol level

References:

Genotypes:

FYPO:0004572 - decreased exocytosis during vegetative growth

References:

Genotypes:

FYPO:0006637 - decreased protein localization to cell cortex of cell tip, with protein distributed in cortex

References:

Genotypes:

FYPO:0008258 - decreased protein localization to cell surface

References:

Genotypes:

FYPO:0007059 - decreased protein localization to late endosome

References:

Genotypes:

FYPO:0003771 - decreased protein localization to plasma membrane of cell tip during vegetative growth

References:

Genotypes:

FYPO:0001885 - decreased protein phosphorylation during salt stress

References:

Genotypes:

FYPO:0001355 - decreased vegetative cell population growth

References:

Genotypes:

FYPO:0003279 - excess Golgi cisternae present

References:

Genotypes:

FYPO:0001130 - increased protein localization to nucleus during vegetative growth

References:

Genotypes:

FYPO:0000650 - increased septation index

References:

Genotypes:

FYPO:0001494 - inviable elongated multiseptate vegetative cell

References:

Genotypes:

FYPO:0002061 - inviable vegetative cell population

References:

Genotypes:

FYPO:0006518 - loss of viability in G0

References:

Genotypes:

FYPO:0000426 - normal endocytosis

References:

Genotypes:

FYPO:0007553 - normal G1 to G0 transition

References:

Genotypes:

FYPO:0002343 - normal growth on terbinafine

References:

Genotypes:

FYPO:0007676 - normal intracellular sterol transport

References:

Genotypes:

FYPO:0008374 - normal phosphatidylinositol-4-phosphate level in the Golgi

References:

Genotypes:

FYPO:0000833 - normal protein level during vegetative growth

References:

Genotypes:

FYPO:0008373 - normal protein localization to cell surface during cellular response to salt stress

References:

Genotypes:

FYPO:0005114 - normal protein localization to endosome

References:

Genotypes:

FYPO:0003658 - normal protein localization to Golgi membrane

References:

Genotypes:

FYPO:0000703 - normal protein-protein interaction

References:

Genotypes:

FYPO:0007678 - normal sterol distribution

References:

Genotypes:

FYPO:0007589 - protein mislocalized to endosome

References:

Genotypes:

FYPO:0009032 - resistance to bortezomib

References:

Genotypes:

FYPO:0004325 - sensitive to 5-fluorouracil

References:

Genotypes:

FYPO:0002642 - sensitive to amphotericin B

References:

Genotypes:

FYPO:0002720 - sensitive to beta-glucanase

References:

Genotypes:

FYPO:0000079 - sensitive to caspofungin

References:

Genotypes:

FYPO:0001190 - sensitive to cell wall-degrading enzymes

References:

Genotypes:

FYPO:0002640 - sensitive to clotrimazole

References:

Genotypes:

FYPO:0000106 - sensitive to hygromycin B

References:

Genotypes:

FYPO:0002641 - sensitive to micafungin

References:

Genotypes:

FYPO:0001214 - sensitive to potassium chloride

References:

Genotypes:

FYPO:0002617 - sensitive to sodium butyrate

References:

Genotypes:

FYPO:0000086 - sensitive to tacrolimus

References:

Genotypes:

FYPO:0002328 - sensitive to terbinafine

References:

Genotypes:

FYPO:0002546 - sensitive to trichostatin A

References:

Genotypes:

FYPO:0000115 - sensitive to valproic acid

References:

Genotypes:

FYPO:0002788 - small vacuoles during vegetative growth

References:

Genotypes:

FYPO:0002258 - small vacuoles present in increased numbers

References:

Genotypes:

FYPO:0000647 - vegetative cell lysis

References:

Genotypes:

FYPO:0001492 - viable elongated vegetative cell

References:

Genotypes:

FYPO:0002060 - viable vegetative cell population

References:

Genotypes:

Taxonomic conservation

PBO:0011065 - conserved in eukaryotes

PBO:0011071 - conserved in eukaryotes only

PBO:0011064 - conserved in fungi

PBO:0011069 - conserved in metazoa

PBO:0011070 - conserved in vertebrates

PBO:0006222 - predominantly single copy (one to one)

Protein features

IDNameInterPro nameDB name
PF01217Clat_adaptor_sAP_mu_sigma_suPFAM
PF00928Adap_comp_subMHDPFAM
cd09250AP-1_Mu1_CtermCDD
cd14835AP1_Mu_NCDD
PS00991CLAT_ADAPTOR_M_2Clathrin_mu_CSPROSITE_PATTERNS
PS00990CLAT_ADAPTOR_M_1Clathrin_mu_CSPROSITE_PATTERNS
PS51072MHDMHDPROSITE_PROFILES
PR00314CLATHRINADPTClathrin_muPRINTS
G3DSA:3.30.450.60:FF:000006FUNFAM
SSF64356SNARE-likeLongin-like_dom_sfSUPERFAMILY
SSF49447Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptorAP2_Mu_C_sfSUPERFAMILY
G3DSA:3.30.450.60GENE3D
G3DSA:2.60.40.1170Mu homology domain, subdomain BGENE3D
PTHR10529AP COMPLEX SUBUNIT MUAdaptor_comp_med_subunitPANTHER
PIRSF005992AP_complex_muClathrin_muPIRSF

Orthologs

References / Literature

PMID:21304827 - Role of the Small GTPase Rho3 in Golgi/Endosome trafficking through functional interaction with adaptin in Fission Yeast.
Kita A et al. PLoS One 2011 Feb 03;6(2):e16842
PMID:32320462 - Sterol biosensor reveals LAM-family Ltc1-dependent sterol flow to endosomes upon Arp2/3 inhibition.
Marek M et al. J Cell Biol 2020 Jun 01;219(6)
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:23861937 - Genome-wide screening for genes associated with valproic acid sensitivity in fission yeast.
Zhang L et al. PLoS One 2013;8(7):e68738
PMID:27255861 - Genetic evidence for involvement of membrane trafficking in the action of 5-fluorouracil.
Hu L et al. Fungal Genet Biol 2016 Aug;93:17-24
PMID:33260998 - High-Throughput Flow Cytometry Combined with Genetic Analysis Brings New Insights into the Understanding of Chromatin Regulation of Cellular Quiescence.
Zahedi Y et al. Int J Mol Sci 2020 Nov 27;21(23)
PMID:16823372 - ORFeome cloning and global analysis of protein localization in the fission yeast Schizosaccharomyces pombe.
Matsuyama A et al. Nat Biotechnol 2006 Jul;24(7):841-7
PMID:30726745 - Fission Yeast NDR/LATS Kinase Orb6 Regulates Exocytosis via Phosphorylation of the Exocyst Complex.
Tay YD et al. Cell Rep 2019 Feb 05;26(6):1654-1667.e7
PMID:40015273 - A comprehensive Schizosaccharomyces pombe atlas of physical transcription factor interactions with proteins and chromatin.
Skribbe M et al. Mol Cell 2025 Feb 19;
PMID:14655046 - Two-hybrid search for proteins that interact with Sad1 and Kms1, two membrane-bound components of the spindle pole body in fission yeast.
Miki F et al. Mol Genet Genomics 2004 Jan;270(6):449-61
PMID:19624755 - Deletion mutants of AP-1 adaptin subunits display distinct phenotypes in fission yeast.
Ma Y et al. Genes Cells 2009 Aug;14(8):1015-28
PMID:17287531 - Valproic acid affects membrane trafficking and cell-wall integrity in fission yeast.
Miyatake M et al. Genetics 2007 Apr;175(4):1695-705
PMID:23738021 - A genome-wide screening of potential target genes to enhance the antifungal activity of micafungin in Schizosaccharomyces pombe.
Zhou X et al. PLoS One 2013;8(5):e65904
PMID:24454826 - E3 ubiquitin ligase Pub1 is implicated in endocytosis of a GPI-anchored protein Ecm33 in fission yeast.
Fang Y et al. PLoS One 2014;9(1):e85238
PMID:39540318 - Pck2 association with the plasma membrane and efficient response of the cell integrity pathway require regulation of PI4P homeostasis by exomer.
Moscoso-Romero E et al. Open Biol 2024 Nov;14(11):240101
PMID:34349749 - Exomer Is Part of a Hub Where Polarized Secretion and Ionic Stress Connect.
Moro S et al. Front Microbiol 2021;12:708354
PMID:29996109 - Quantitative Phosphoproteomics Reveals the Signaling Dynamics of Cell-Cycle Kinases in the Fission Yeast Schizosaccharomyces pombe.
Swaffer MP et al. Cell Rep 2018 Jul 10;24(2):503-514
GO_REF:0000111 - Gene Ontology annotations Inferred by Curator (IC) using at least one Inferred by Sequence Similarity (ISS) annotation to support the inference
PMID:22194353 - Intracellular trafficking and ubiquitination of the Schizosaccharomyces pombe amino acid permease Aat1p.
Nakase M et al. Microbiology (Reading) 2012 Mar;158(Pt 3):659-673
PMID:24713849 - Post-transcriptional regulation of meiotic genes by a nuclear RNA silencing complex.
Egan ED et al. RNA 2014 Jun;20(6):867-81
PMID:37787768 - Broad functional profiling of fission yeast proteins using phenomics and machine learning.
Rodríguez-López M et al. Elife 2023 Oct 03;12
PMID:27974503 - Traffic Through the Trans-Golgi Network and the Endosomal System Requires Collaboration Between Exomer and Clathrin Adaptors in Fission Yeast.
Hoya M et al. Genetics 2017 Feb;205(2):673-690
PMID:23840894 - Sip1, an AP-1 accessory protein in fission yeast, is required for localization of Rho3 GTPase.
Yu Y et al. PLoS One 2013;8(7):e68488
PMID:23101633 - Quantitative analysis of fission yeast transcriptomes and proteomes in proliferating and quiescent cells.
Marguerat S et al. Cell 2012 Oct 26;151(3):671-83
PMID:19547744 - Evolution of phosphoregulation: comparison of phosphorylation patterns across yeast species.
Beltrao P et al. PLoS Biol 2009 Jun 16;7(6):e1000134
PMID:15047861 - Loss of Apm1, the micro1 subunit of the clathrin-associated adaptor-protein-1 complex, causes distinct phenotypes and synthetic lethality with calcineurin deletion in fission yeast.
Kita A et al. Mol Biol Cell 2004 Jun;15(6):2920-31
PMID:37970674 - SUMOylation regulates Lem2 function in centromere clustering and silencing.
Strachan J et al. J Cell Sci 2023 Dec 01;136(23)
GO_REF:0000044 - Gene Ontology annotation based on UniProtKB/Swiss-Prot Subcellular Location vocabulary mapping, accompanied by conservative changes to GO terms applied by UniProt.
PMID:22252817 - A genomewide screen in Schizosaccharomyces pombe for genes affecting the sensitivity of antifungal drugs that target ergosterol biosynthesis.
Fang Y et al. Antimicrob Agents Chemother 2012 Apr;56(4):1949-59
PMID:23028933 - Sip1, a conserved AP-1 accessory protein, is important for Golgi/endosome trafficking in fission yeast.
Yu Y et al. PLoS One 2012;7(9):e45324
PMID:20473289 - Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.
Kim DU et al. Nat Biotechnol 2010 Jun;28(6):617-623
PMID:22848669 - Studies on the roles of clathrin-mediated membrane trafficking and zinc transporter Cis4 in the transport of GPI-anchored proteins in fission yeast.
Jaiseng W et al. PLoS One 2012;7(7):e41946
PMID:23697806 - A genome-wide resource of cell cycle and cell shape genes of fission yeast.
Hayles J et al. Open Biol 2013 May 22;3(5):130053
PMID:24947517 - The putative exchange factor Gef3p interacts with Rho3p GTPase and the septin ring during cytokinesis in fission yeast.
Muñoz S et al. J Biol Chem 2014 Aug 08;289(32):21995-2007
PMID:31341193 - Ent3 and GGA adaptors facilitate diverse anterograde and retrograde trafficking events to and from the prevacuolar endosome.
Yanguas F et al. Sci Rep 2019 Jul 24;9(1):10747
PMID:21850271 - Genome-wide screening for genes associated with FK506 sensitivity in fission yeast.
Ma Y et al. PLoS One 2011;6(8):e23422
PMID:24763107 - Absolute proteome and phosphoproteome dynamics during the cell cycle of Schizosaccharomyces pombe (Fission Yeast).
Carpy A et al. Mol Cell Proteomics 2014 Aug;13(8):1925-36
PMID:26771498 - A Proteome-wide Fission Yeast Interactome Reveals Network Evolution Principles from Yeasts to Human.
Vo TV et al. Cell 2016 Jan 14;164(1-2):310-323
PMID:28218250 - Chromatin remodeller Fun30 Fft3 induces nucleosome disassembly to facilitate RNA polymerase II elongation.
Lee J et al. Nat Commun 2017 Feb 20;8:14527