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P05383

- KAPCB_PIG

UniProt

P05383 - KAPCB_PIG

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Protein

cAMP-dependent protein kinase catalytic subunit beta

Gene

PRKACB

Organism
Sus scrofa (Pig)
Status
Reviewed - Annotation score: 5 out of 5- Experimental evidence at protein leveli

Functioni

Mediates cAMP-dependent signaling triggered by receptor binding to GPCRs. PKA activation regulates diverse cellular processes such as cell proliferation, the cell cycle, differentiation and regulation of microtubule dynamics, chromatin condensation and decondensation, nuclear envelope disassembly and reassembly, as well as regulation of intracellular transport mechanisms and ion flux. Regulates the abundance of compartmentalized pools of its regulatory subunits through phosphorylation of PJA2 which binds and ubiquitinates these subunits, leading to their subsequent proteolysis By similarity.By similarity

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.

Cofactori

Magnesium.By similarity

Enzyme regulationi

Activated by cAMP.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei73 – 731ATPPROSITE-ProRule annotation
Active sitei167 – 1671Proton acceptorPROSITE-ProRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi50 – 589ATPPROSITE-ProRule annotation

GO - Molecular functioni

  1. ATP binding Source: UniProtKB
  2. cAMP-dependent protein kinase activity Source: UniProtKB
  3. magnesium ion binding Source: UniProtKB

GO - Biological processi

  1. protein phosphorylation Source: UniProtKB
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Ligandi

ATP-binding, cAMP, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
cAMP-dependent protein kinase catalytic subunit beta (EC:2.7.11.11)
Short name:
PKA C-beta
Gene namesi
Name:PRKACB
OrganismiSus scrofa (Pig)
Taxonomic identifieri9823 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaSuinaSuidaeSus
ProteomesiUP000008227: Unplaced

Subcellular locationi

Cytoplasm By similarity. Cell membrane By similarity. Nucleus By similarity
Note: Translocates into the nucleus (monomeric catalytic subunit). The inactive holoenzyme is found in the cytoplasm.By similarity

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
  2. nucleus Source: UniProtKB-KW
  3. plasma membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Cytoplasm, Membrane, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed1 Publication
Chaini2 – 351350cAMP-dependent protein kinase catalytic subunit betaPRO_0000086062Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Lipidationi2 – 21N-myristoyl glycine1 Publication
Modified residuei3 – 31Deamidated asparagine; partial2 Publications
Modified residuei11 – 111PhosphoserineBy similarity
Modified residuei49 – 491PhosphothreonineBy similarity
Modified residuei69 – 691PhosphotyrosineBy similarity
Modified residuei140 – 1401PhosphoserineBy similarity
Modified residuei196 – 1961PhosphothreonineBy similarity
Modified residuei198 – 1981PhosphothreonineBy similarity
Modified residuei202 – 2021PhosphothreonineBy similarity
Modified residuei331 – 3311PhosphotyrosineBy similarity
Modified residuei339 – 3391PhosphoserineBy similarity

Post-translational modificationi

Asn-3 is deaminated to Asp in more than 25% of the proteins, giving rise to 2 major isoelectric variants, called CB and CA respectively (0.4 pH unit change). Deamidation proceeds via the so-called beta-aspartyl shift mechanism and yields either 'D-Asp-2' (major) or 'D-isoAsp-2' (minor), in addition to L-isomers. Deamidation occurs after the addition of myristate. The Asn-3 form reaches a significantly larger nuclear/cytoplasmic ratio than the 'Asp-2' form.2 Publications

Keywords - PTMi

Lipoprotein, Myristate, Phosphoprotein

Interactioni

Subunit structurei

A number of inactive tetrameric holoenzymes are produced by the combination of homo- or heterodimers of the different regulatory subunits associated with two catalytic subunits. cAMP causes the dissociation of the inactive holoenzyme into a dimer of regulatory subunits bound to four cAMP and two free monomeric catalytic subunits. The cAMP-dependent protein kinase catalytic subunit binds PJA2 By similarity.By similarity

Structurei

3D structure databases

ProteinModelPortaliP05383.
SMRiP05383. Positions 14-351.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini44 – 298255Protein kinasePROSITE-ProRule annotationAdd
BLAST
Domaini299 – 35153AGC-kinase C-terminalAdd
BLAST

Sequence similaritiesi

Contains 1 AGC-kinase C-terminal domain.Curated
Contains 1 protein kinase domain.PROSITE-ProRule annotation

Phylogenomic databases

HOVERGENiHBG108317.
InParanoidiP05383.

Family and domain databases

InterProiIPR000961. AGC-kinase_C.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PfamiPF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00133. S_TK_X. 1 hit.
SM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS51285. AGC_KINASE_CTER. 1 hit.
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

P05383-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGNAATAKKG SEVESVKEFL AKAKEDFLKK WENPAPNNAG LEDFERKKTL
60 70 80 90 100
GTGSFGRVML VKHKATEQYY AMKILDKQKV VKLKQIEHTL NEKRILQAVN
110 120 130 140 150
FPFLVRLEFS FKDNSNLYMV MEYVPGGEMF SHLRRIGRFS EPHARFYAAQ
160 170 180 190 200
IVLTFEYLHS LDLIYRDLKP ENLLIDHQGY IQVTDFGFAK RVKGRTWTLC
210 220 230 240 250
GTPEYLAPEI ILSKGYNKAV DWWALGVLIY EMAAGYPPFF ADQPIQIYEK
260 270 280 290 300
IVSGKVRFPS HFSSDLKDLL RNLLQVDLTK RFGNLKNGVS DIKTHKWFAT
310 320 330 340 350
TDWIAIYQRK VEAPFIPKFR GSGDTSNFDD YEEEDIRVSI TEKCGKEFCE

F
Length:351
Mass (Da):40,594
Last modified:January 23, 2007 - v3
Checksum:i384A1EB1FC198B61
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X05998 mRNA. Translation: CAA29415.1.
PIRiS00085.
UniGeneiSsc.57600.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X05998 mRNA. Translation: CAA29415.1 .
PIRi S00085.
UniGenei Ssc.57600.

3D structure databases

ProteinModelPortali P05383.
SMRi P05383. Positions 14-351.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOVERGENi HBG108317.
InParanoidi P05383.

Family and domain databases

InterProi IPR000961. AGC-kinase_C.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view ]
Pfami PF00069. Pkinase. 1 hit.
[Graphical view ]
SMARTi SM00133. S_TK_X. 1 hit.
SM00220. S_TKc. 1 hit.
[Graphical view ]
SUPFAMi SSF56112. SSF56112. 1 hit.
PROSITEi PS51285. AGC_KINASE_CTER. 1 hit.
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Multiple mRNA species code for the catalytic subunit of the cAMP-dependent protein kinase from LLC-PK1 cells. Evidence for two forms of the catalytic subunit."
    Adavani S.R., Schwarz M., Showers M.O., Maurer R.A., Hemmings B.A.
    Eur. J. Biochem. 167:221-226(1987) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 14-251.
  2. "A conserved deamidation site at Asn 2 in the catalytic subunit of mammalian cAMP-dependent protein kinase detected by capillary LC-MS and tandem mass spectrometry."
    Jedrzejewski P.T., Girod A., Tholey A., Koenig N., Thullner S., Kinzel V., Bossemeyer D.
    Protein Sci. 7:457-469(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE OF 2-8; 10-22 AND 30-47, MYRISTOYLATION AT GLY-2, DEAMIDATION AT ASN-3.
  3. "Intracellular distribution of mammalian protein kinase A catalytic subunit altered by conserved Asn2 deamidation."
    Pepperkok R., Hotz-Wagenblatt A., Koenig N., Girod A., Bossemeyer D., Kinzel V.
    J. Cell Biol. 148:715-726(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: DEAMIDATION AT ASN-3, SUBCELLULAR LOCATION.

Entry informationi

Entry nameiKAPCB_PIG
AccessioniPrimary (citable) accession number: P05383
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1988
Last sequence update: January 23, 2007
Last modified: October 29, 2014
This is version 117 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3