Overview
| Uniprot ID | A0A287A4E3 |
| Protein Name | AP2-associated protein kinase 1 |
| Gene Name | AAK1 |
| Organism | Sus scrofa |
Kla Sites from experimental identification
| Position |
Flanking peptide |
| 169 |
VARLHQCKTPIIHRD |
| 371 |
IAPRQRPKAGQTQPN |
Function
Regulates clathrin-mediated endocytosis by phosphorylating the AP2M1/mu2 subunit of the adaptor protein complex 2 (AP-2) which ensures high affinity binding of AP-2 to cargo membrane proteins during the initial stages of endocytosis. Preferentially, may phosphorylate substrates on threonine residues. Regulates phosphorylation of other AP-2 subunits as well as AP-2 localization and AP-2-mediated internalization of ligand complexes. Phosphorylates NUMB and regulates its cellular localization, promoting NUMB localization to endosomes. Binds to and stabilizes the activated form of NOTCH1, increases its localization in endosomes and regulates its transcriptional activity
Protein Sequence
10
MKKFFDSRRE
20
QGGSGLGSGS
30
SGGGGSTSGL
40
GSGYIGRVFG
50
IGRQQVTVDE
60
VLAEGGFAIV
70
FLVRTSNGMK
80
CALKRMFVNN
90
EHDLQVCKRE
100
IQIMRDLSGH
110
KNIVGYIDSS
120
INNVSSGDVW
130
EVLILMDFCR
140
GGQVVNLMNQ
150
RLQTGFTESE
160
VLQIFCDTCE
170
AVARLHQCKT
180
PIIHRDLKVE
190
NILLHDRGHY
200
VLCDFGSATN
210
KFQNPQTEGV
220
NAVEDEIKKY
230
TTLSYRAPEM
240
VNLYSGKIIT
250
TKADIWALGC
260
LLYKLCYFTL
270
PFGESQVAIC
280
DGNFTIPDNS
290
RYSQDMHCLI
300
RYMLEPDPDK
310
RPDIYQVSFF
320
SFKLLKKECP
330
VPNVQNSPIP
340
AKLPEPVKAS
350
EAAAKKTQPK
360
ARLTDPIPTT
370
ETSIAPRQRP
380
KAGQTQPNPG
390
ILPIQPALTP
400
RKRAMVQPPP
410
QVAGSSNQPG
420
LLASVPQPKT
430
QAPPSQPLPQ
440
SQAKQPQAPP
450
APQQPPSAPA
460
QGLPAQAQAT
470
PQHQQQLFLK
480
QQPQPPQPQP
490
QAQAPPAAQQ
500
PSGTFYQQQQ
510
QQQQQQAQAQ
520
QFQAVHPAAQ
530
QPAIAQFPAV
540
SQGSSQQQLI
550
QNFYQQQQQQ
560
QQQQQLATTL
570
HQQQLLTQQA
580
ALQQKTTVAA
590
IQPPQAQPAT
600
ASQPPPAQEP
610
AIQAPVRQQP
620
KVQTTPPPAI
630
QGQKLGSLTP
640
PSSPKAQRAG
650
HRRILSDVTH
660
SAVFGVPASK
670
STQLLQAAAA
680
EASLNKSKSA
690
TTTPSGSPRA
700
SQQNVYNPSE
710
GSTWNPFDDD
720
NFSKLTAEEL
730
LNKDFAKLGE
740
GKHPEKLGGS
750
AESLIPGFQP
760
TQGDAFAASS
770
FAAGTGLQRE
780
PNPCPVITIE
790
HFKETAGVKG
800
LPLYPDPSRG
810
PGPKTQNSLE
820
SDYLARDGPS
830
SNSSFHSSEE
840
EGTDLEGDML
850
DCSGSRPLLM
860
ESEEEDESCK
870
PLQGKLGGAV
880
PFAQPEGSTE
890
PAKAAQGGRK
900
NQFRALTQPT
910
ADGLGEPDVF
920
ATAPFRSSRV
930
PTDDTDIFAK
940
APFVSKGSVA
950
LSQPEEADVF
960
LRAPFTKKKS
970
LEELAGAQIA
980
TSQESPAQAG
990
LLGPTDDVPL
1000
LPGLDRAVYP
1010
SVRAQYSVAG
1020
FAQQSNLPSH
1030
SVQAADRLDS
1040
ISPRGPALES
1050
GAHPNDRNKG
1060
PQPQKEVVSG
1070
PVAGKPFRPQ
1080
SLSKYSRHYS
1090
PEDEPTPEAQ
1100
PIAAYKIVSQ
1110
TNKQSIAGSV
1120
SITSLSSRTT
1130
ELPAADPFAL
1140
APFPSKSGKQ
KP
Gene Ontology
| Classification |
GO ID |
Description |
| Cellular Component |
GO:0005905 |
clathrin-coated pit |
| Cellular Component |
GO:0098793 |
presynapse |
| Molecular Function |
GO:0005524 |
ATP binding |
| Molecular Function |
GO:0004674 |
protein serine/threonine kinase activity |
| Biological Process |
GO:0006897 |
endocytosis |
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.