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Protein

Apolipoprotein F

Gene

APOF

Organism
Homo sapiens (Human)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Minor apolipoprotein that associates with LDL. Inhibits cholesteryl ester transfer protein (CETP) activity and appears to be an important regulator of cholesterol transport. Also associates to a lesser degree with VLDL, Apo-AI and Apo-AII.1 Publication

GO - Molecular functioni

  • cholesterol binding Source: ProtInc
  • lipid transporter activity Source: ProtInc
  • receptor binding Source: ProtInc

GO - Biological processi

  • cholesterol metabolic process Source: ProtInc
  • lipid metabolic process Source: ProtInc
  • lipid transport Source: ProtInc

Keywordsi

Biological processCholesterol metabolism, Lipid metabolism, Lipid transport, Steroid metabolism, Sterol metabolism, Transport

Enzyme and pathway databases

ReactomeiR-HSA-8964041. LDL remodeling.

Names & Taxonomyi

Protein namesi
Recommended name:
Apolipoprotein F
Short name:
Apo-F
Alternative name(s):
Lipid transfer inhibitor protein
Short name:
LTIP
Gene namesi
Name:APOF
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
Proteomesi
  • UP000005640 Componenti: Chromosome 12

Organism-specific databases

EuPathDBiHostDB:ENSG00000175336.9.
HGNCiHGNC:615. APOF.

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

HDL, LDL, Secreted

Pathology & Biotechi

Organism-specific databases

DisGeNETi319.
OpenTargetsiENSG00000175336.
PharmGKBiPA24902.

Polymorphism and mutation databases

BioMutaiAPOF.
DMDMi327478500.

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 35Sequence analysisAdd BLAST35
PropeptideiPRO_000000205136 – 1642 PublicationsAdd BLAST129
ChainiPRO_0000002052165 – 326Apolipoprotein FAdd BLAST162

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi118N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi274O-linked (GalNAc...) threonine1 Publication1
Modified residuei323PhosphoserineCombined sources1

Post-translational modificationi

O-glycosylated with core 1 or possibly core 8 glycans.1 Publication

Keywords - PTMi

Glycoprotein, Phosphoprotein

Proteomic databases

EPDiQ13790.
PaxDbiQ13790.
PeptideAtlasiQ13790.
PRIDEiQ13790.

PTM databases

iPTMnetiQ13790.
PhosphoSitePlusiQ13790.
UniCarbKBiQ13790.

Expressioni

Tissue specificityi

Expressed by the liver and secreted in plasma.1 Publication

Gene expression databases

BgeeiENSG00000175336.
CleanExiHS_APOF.
GenevisibleiQ13790. HS.

Interactioni

GO - Molecular functioni

  • receptor binding Source: ProtInc

Protein-protein interaction databases

BioGridi106816. 3 interactors.
STRINGi9606.ENSP00000381250.

Structurei

3D structure databases

ProteinModelPortaliQ13790.
SMRiQ13790.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiENOG410J2UW. Eukaryota.
ENOG4112458. LUCA.
GeneTreeiENSGT00500000045104.
HOGENOMiHOG000034007.
HOVERGENiHBG050551.
InParanoidiQ13790.
OMAiVWALQLQ.
OrthoDBiEOG091G0O2P.
PhylomeDBiQ13790.
TreeFamiTF338778.

Family and domain databases

InterProiView protein in InterPro
IPR026114. APOF.
PANTHERiPTHR15011. PTHR15011. 1 hit.
PfamiView protein in Pfam
PF15148. Apolipo_F. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q13790-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTGLCGYSAP DMRGLRLIMI PVELLLCYLL LHPVDATSYG KQTNVLMHFP
60 70 80 90 100
LSLESQTPSS DPLSCQFLHP KSLPGFSHMA PLPKFLVSLA LRNALEEAGC
110 120 130 140 150
QADVWALQLQ LYRQGGVNAT QVLIQHLRGL QKGRSTERNV SVEALASALQ
160 170 180 190 200
LLAREQQSTG RVGRSLPTED CENEKEQAVH NVVQLLPGVG TFYNLGTALY
210 220 230 240 250
YATQNCLGKA RERGRDGAID LGYDLLMTMA GMSGGPMGLA ISAALKPALR
260 270 280 290 300
SGVQQLIQYY QDQKDANISQ PETTKEGLRA ISDVSDLEET TTLASFISEV
310 320
VSSAPYWGWA IIKSYDLDPG AGSLEI
Length:326
Mass (Da):35,399
Last modified:April 5, 2011 - v2
Checksum:i046A1E775E7D4320
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural variantiVAR_055520178A → G. Corresponds to variant dbSNP:rs11575216Ensembl.1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L27050 mRNA. Translation: AAA65642.1.
AC025574 Genomic DNA. No translation available.
BC026257 mRNA. Translation: AAH26257.1.
CCDSiCCDS44923.1.
PIRiJC2549.
RefSeqiNP_001629.1. NM_001638.2.
UniGeneiHs.534302.

Genome annotation databases

EnsembliENST00000398189; ENSP00000381250; ENSG00000175336.
GeneIDi319.
KEGGihsa:319.
UCSCiuc001sle.2. human.

Keywords - Coding sequence diversityi

Polymorphism

Similar proteinsi

Entry informationi

Entry nameiAPOF_HUMAN
AccessioniPrimary (citable) accession number: Q13790
Secondary accession number(s): Q8TC13
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: April 5, 2011
Last modified: September 27, 2017
This is version 131 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Caution

It is uncertain whether Met-1 or Met-12 is the initiator.Curated

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. Human chromosome 12
    Human chromosome 12: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot