<p>Provides any useful information about the protein, mostly biological knowledge.</p><p><a href='../manual/function_section' target='_top'>More...</a></p>Functionⁱ

<p>Describes the catalytic activity of an enzyme, i.e. the chemical reaction it catalyzes. This information usually correlates with the presence of an EC (Enzyme Commission) number in the ‘Names and taxonomy’ section.</p><p><a href='../manual/catalytic_activity' target='_top'>More...</a></p>Catalytic activityⁱ

Sites

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.</p><p><a href='../manual/binding' target='_top'>More...</a></p>Binding sitei	54 – 54	1	ATPPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00159
<p>Is used for enzymes and indicates the residues directly involved in catalysis.</p><p><a href='../manual/act_site' target='_top'>More...</a></p>Active sitei	174 – 174	1	Proton acceptorPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00159 PROSITE-ProRule:PRU10027

Regions

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.</p><p><a href='../manual/np_bind' target='_top'>More...</a></p>Nucleotide bindingi	31 – 39	9	ATPPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00159

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

1. ATP binding Source: UniProtKB-KW
2. protein kinase activity Source: SGD

   <p>Inferred from Sequence or Structural Similarity<br />Used for any analysis based on sequence alignment, structure comparison, or evaluation of sequence features such as composition.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#iss">GO evidence code guide</a></p> Inferred from sequence or structural similarityⁱ

   • 2199332

3. protein serine/threonine kinase activity Source: UniProtKB-KW

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

1. chromosome segregation Source: SGD

   <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ

   • 12386167

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Molecular functionⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Ligandⁱ

Enzyme and pathway databases

<p>Provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.</p><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

Organism-specific databases

<p>Describes post-translational modifications (PTMs) and/or processing events.</p><p><a href='../manual/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	1 – 435	435	Serine/threonine-protein kinase KIN3		PRO_0000086134	Add BLAST

Proteomic databases

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.</p><p><a href='../manual/expression_section' target='_top'>More...</a></p>Expressionⁱ

Gene expression databases

<p>Provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.</p><p><a href='../manual/interaction_section' target='_top'>More...</a></p>Interactionⁱ

Protein-protein interaction databases

<p>Provides information on the tertiary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

3D structure databases

<p>Provides information on sequence similarities with other proteins and the domain(s) present in a protein.</p><p><a href='../manual/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsⁱ

Domains and Repeats

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.</p><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	25 – 343	319	Protein kinasePROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00159			Add BLAST

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

Phylogenomic databases

Family and domain databases

<p>Displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the canonical sequence displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

        10         20         30         40         50
MHRRQFFQEY RSPQQQQGHP PRSEYQVLEE IGRGSFGSVR KVIHIPTKKL 
        60         70         80         90        100
LVRKDIKYGH MNSKERQQLI AECSILSQLK HENIVEFYNW DFDEQKEVLY 
       110        120        130        140        150
LYMEYCSRGD LSQMIKHYKQ EHKYIPEKIV WGILAQLLTA LYKCHYGVEL 
       160        170        180        190        200
PTLTTIYDRM KPPVKGKNIV IHRDLKPGNI FLSYDDSDYN INEQVDGHEE 
       210        220        230        240        250
VNSNYYRDHR VNSGKRGSPM DYSQVVVKLG DFGLAKSLET SIQFATTYVG 
       260        270        280        290        300
TPYYMSPEVL MDQPYSPLSD IWSLGCVIFE MCSLHPPFQA KNYLELQTKI 
       310        320        330        340        350
KNGKCDTVPE YYSRGLNAII HSMIDVNLRT RPSTFELLQD IQIRTARKSL 
       360        370        380        390        400
QLERFERKLL DYENELTNIE KILEKQAIEY ERELSQLKEQ FTQAVEERAR 
       410        420        430 
EVISGKKVGK VPESINGYYG KKFAKPAYHW QTRYR            

Experimental Info

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	92 – 92	1	F → L in AAB04029. (PubMed:2199332)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	98 – 98	1	V → L in AAB04029. (PubMed:2199332)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	121 – 121	1	E → Q in AAB04029. (PubMed:2199332)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	130 – 130	1	V → I in AAB04029. (PubMed:2199332)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	235 – 238	4	AKSL → SQIS in AAB04029. (PubMed:2199332)Curated
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	358 – 358	1	K → R in AAB04029. (PubMed:2199332)Curated

Sequence databases

Genome annotation databases

<p>Is used to point to information related to entries and found in data collections other than UniProtKB.</p><p><a href='../manual/cross_references_section' target='_top'>More...</a></p> Cross-referencesⁱ

Sequence databases

3D structure databases

Protein-protein interaction databases

Proteomic databases

Protocols and materials databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Enzyme and pathway databases

Miscellaneous databases

Gene expression databases

Family and domain databases

<p>Contains the literature citations that are the sources of data used to annotate the entry. Each reference is numbered and contains several subsections allowing a precise description of a given citation.</p><p><a href='../manual/publications_section' target='_top'>More...</a></p>Publicationsⁱ

1. "Cloning of chromosome I DNA from Saccharomyces cerevisiae: analysis of the FUN52 gene, whose product has homology to protein kinases."
   Barton A.B., Davies C.J., Hutchison C.A. III, Kaback D.B.
   Gene 117:137-140(1992) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
2. "NPK1, a nonessential protein kinase gene in Saccharomyces cerevisiae with similarity to Aspergillus nidulans nimA."
   Schweitzer B., Philippsen P.
   Mol. Gen. Genet. 234:164-167(1992) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
3. "Sequencing of chromosome I of Saccharomyces cerevisiae: analysis of the 42 kbp SPO7-CENI-CDC15 region."
   Clark M.W., Keng T., Storms R.K., Zhong W.-W., Fortin N., Zeng B., Delaney S., Ouellette B.F.F., Barton A.B., Kaback D.B., Bussey H.
   Yeast 10:535-541(1994) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
   Strain: ATCC 204511 / S288c / AB972.
   
4. "The nucleotide sequence of chromosome I from Saccharomyces cerevisiae."
   Bussey H., Kaback D.B., Zhong W.-W., Vo D.H., Clark M.W., Fortin N., Hall J., Ouellette B.F.F., Keng T., Barton A.B., Su Y., Davies C.J., Storms R.K.
   Proc. Natl. Acad. Sci. U.S.A. 92:3809-3813(1995) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
   Strain: ATCC 204508 / S288c.
   
5. "The reference genome sequence of Saccharomyces cerevisiae: Then and now."
   Engel S.R., Dietrich F.S., Fisk D.G., Binkley G., Balakrishnan R., Costanzo M.C., Dwight S.S., Hitz B.C., Karra K., Nash R.S., Weng S., Wong E.D., Lloyd P., Skrzypek M.S., Miyasato S.R., Simison M., Cherry J.M.
   G3 (Bethesda) 4:389-398(2014) [PubMed] [Europe PMC] [Abstract]
   Cited for: GENOME REANNOTATION.
   Strain: ATCC 204508 / S288c.
   
6. "Isolation of a novel protein kinase-encoding gene from yeast by oligodeoxyribonucleotide probing."
   Jones D.G.L., Rosamond J.
   Gene 90:87-92(1990) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-369.
   Strain: SB303.
   

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

<p>Contains any relevant information that doesn’t fit in any other defined sections</p><p><a href='../manual/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Technical termⁱ

Documents

1. SIMILARITY comments
   Index of protein domains and families
2. Yeast
   Yeast (Saccharomyces cerevisiae): entries, gene names and cross-references to SGD
3. Yeast chromosome I
   Yeast (Saccharomyces cerevisiae) chromosome I: entries and gene names

External Data

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ