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Protein

AP-1 complex subunit beta-1

Gene

Ap1b1

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Subunit of clathrin-associated adaptor protein complex 1 that plays a role in protein sorting in the late-Golgi/trans-Golgi network (TGN) and/or endosomes. The AP complexes mediate both the recruitment of clathrin to membranes and the recognition of sorting signals within the cytosolic tails of transmembrane cargo molecules.

Caution

Was originally thought to be part of the complex AP-2.1 Publication

GO - Molecular functioni

  • clathrin binding Source: BHF-UCL

GO - Biological processi

Keywordsi

Biological processProtein transport, Transport

Names & Taxonomyi

Protein namesi
Recommended name:
AP-1 complex subunit beta-1
Alternative name(s):
Adaptor protein complex AP-1 subunit beta-1
Adaptor-related protein complex 1 subunit beta-1
Beta-1-adaptin
Beta-adaptin 1
Clathrin assembly protein complex 1 beta large chain
Golgi adaptor HA1/AP1 adaptin beta subunit
Gene namesi
Name:Ap1b1
Synonyms:Adtb1
OrganismiRattus norvegicus (Rat)
Taxonomic identifieri10116 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
Proteomesi
  • UP000002494 Componenti: Unplaced

Organism-specific databases

RGDi2064 Ap1b1

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

Cytoplasmic vesicle, Golgi apparatus, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001937401 – 949AP-1 complex subunit beta-1Add BLAST949

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei318N6-acetyllysineBy similarity1
Modified residuei574Nitrated tyrosineBy similarity1

Post-translational modificationi

The N-terminus is blocked.

Keywords - PTMi

Acetylation, Nitration

Proteomic databases

PaxDbiP52303
PRIDEiP52303

PTM databases

iPTMnetiP52303
PhosphoSitePlusiP52303
SwissPalmiP52303

Interactioni

Subunit structurei

Adaptor protein complex 1 (AP-1) is a heterotetramer composed of two large adaptins (gamma-type subunit AP1G1 and beta-type subunit AP1B1), a medium adaptin (mu-type subunit AP1M1 or AP1M2) and a small adaptin (sigma-type subunit AP1S1 or AP1S2 or AP1S3).1 Publication

GO - Molecular functioni

  • clathrin binding Source: BHF-UCL

Protein-protein interaction databases

BioGridi248285, 1 interactor
CORUMiP52303
IntActiP52303, 4 interactors
MINTiP52303
STRINGi10116.ENSRNOP00000054218

Structurei

3D structure databases

ProteinModelPortaliP52303
SMRiP52303
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP52303

Family & Domainsi

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi576 – 728Pro-rich (stalk region)Add BLAST153

Sequence similaritiesi

Phylogenomic databases

eggNOGiKOG1061 Eukaryota
COG5096 LUCA
HOGENOMiHOG000163270
HOVERGENiHBG050515
InParanoidiP52303
PhylomeDBiP52303

Family and domain databases

Gene3Di1.25.10.10, 1 hit
2.60.40.1150, 1 hit
3.30.310.10, 1 hit
InterProiView protein in InterPro
IPR026739 AP_beta
IPR016342 AP_complex_bsu_1_2_4
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR015151 B-adaptin_app_sub_C
IPR002553 Clathrin/coatomer_adapt-like_N
IPR008152 Clathrin_a/b/g-adaptin_app_Ig
IPR013041 Clathrin_app_Ig-like_sf
IPR013037 Clathrin_b-adaptin_app_Ig-like
IPR009028 Coatomer/calthrin_app_sub_C
IPR012295 TBP_dom_sf
PANTHERiPTHR11134 PTHR11134, 1 hit
PfamiView protein in Pfam
PF01602 Adaptin_N, 1 hit
PF02883 Alpha_adaptinC2, 1 hit
PF09066 B2-adapt-app_C, 1 hit
PIRSFiPIRSF002291 AP_complex_beta, 1 hit
SMARTiView protein in SMART
SM00809 Alpha_adaptinC2, 1 hit
SM01020 B2-adapt-app_C, 1 hit
SUPFAMiSSF48371 SSF48371, 1 hit
SSF49348 SSF49348, 1 hit
SSF55711 SSF55711, 1 hit

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. AlignAdd to basket

Isoform A (identifier: P52303-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

        10         20         30         40         50
MTDSKYFTTT KKGEIFELKA ELNSDKKEKK KEAVKKVIAS MTVGKDVSAL
60 70 80 90 100
FPDVVNCMQT DNLELKKLVY LYLMNYAKSQ PDMAIMAVNT FVKDCEDPNP
110 120 130 140 150
LIRALAVRTM GCIRVDKITE YLCEPLRKCL KDEDPYVRKT AAVCVAKLHD
160 170 180 190 200
INAQLVEDQG FLDTLKDLIS DSNPMVVANR VAALSEIAES HPSSNLLDLK
210 220 230 240 250
AQSINKLLTA LNECTEWAQI FILDCLGNYM PKDDREAQSI CERVTPRLSH
260 270 280 290 300
ANSAVVLSAV KVLMKFMEML SKDLDYYATL LKKLAPPLVT LLSAEPEPQY
310 320 330 340 350
VPLRNINLIV QKRPEILKHE MKVFFVKYND PIYVKLEKLD IMIRLASQAN
360 370 380 390 400
IAQVLAELKE YATEVDVDFV RKAVRAIGRC AIKVEQSAER CVSTLLDLIQ
410 420 430 440 450
TKVNYVVQEA IVVIKDIFRK YPNKYESVIA TLCENLDSLD EPEARAAMIW
460 470 480 490 500
IVGEYAERID NADELLESFL DGFHDESTQV QLQLLTAIVK LFLKKPTETQ
510 520 530 540 550
ELVQQVLSLA TQDSDNPDLR DRGYIYWRLL STDPVAAKEV VLAEKPLISE
560 570 580 590 600
ETDLIEPTLL DELICYIGTL ASVYHKPPNA FVEGGRGVVH KSLPPRTASS
610 620 630 640 650
ESTESPEAAP AGAPASDQPD VIPAQGDLLG DLLNLDLGPP VSGPPLAASS
660 670 680 690 700
VQMGAVDLLG GGLDSLMGDE PEGIGDSNFG APPASVAAAA PARLGAPVSS
710 720 730 740 750
GLSDLFDLTS GVGTLSGSYV APKAVWLPAM KAKGLEISGT FTRQVGSISM
760 770 780 790 800
DLQLTNKALQ VMTDFAIQFN RNSFGLAPAA PLQVHAPLSP NQTVEISLPL
810 820 830 840 850
NTVGSVMKME PLNNLQVAVK NNIDVFYFST LYPLHVLFVE DGKMDRQMFL
860 870 880 890 900
ATWKDIPNEN EAQFQIRDCP LNTEAASSKL QSSNIFTVAK RTVEGQDMLY
910 920 930 940
QSLKLTNGIW VLAELRIQPG NPSFTLSLKC RAPEVSQHDI QAYETILKN
Length:949
Mass (Da):104,589
Last modified:October 1, 1996 - v1
Checksum:iCC5AE54E8AACCD44
GO
Isoform B (identifier: P52303-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     667-673: Missing.

Show »
Length:942
Mass (Da):103,873
Checksum:i69F7E7D2234C7BC1
GO

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Alternative sequenceiVSP_000164667 – 673Missing in isoform B. Curated7

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M77245 mRNA Translation: AAA40807.1
PIRiB32105
RefSeqiNP_058973.1, NM_017277.1
UniGeneiRn.37383

Genome annotation databases

GeneIDi29663
UCSCiRGD:2064 rat [P52303-1]

Keywords - Coding sequence diversityi

Alternative splicing

Similar proteinsi

Entry informationi

Entry nameiAP1B1_RAT
AccessioniPrimary (citable) accession number: P52303
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: July 18, 2018
This is version 139 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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