[Term]
id: PR:000036167
name: 40S ribosomal protein S21 acetylated 1 (human)
def: "A 40S ribosomal protein S21 (human) that is N-terminal Met acetylated. UniProtKB:P63220, Met-1, MOD:00058." [TDR:1119]
comment: Category=organism-modification. Note: Top down proteomics. Evidence=(ECO:0000006).
synonym: "hRPS21/Ac:1" EXACT PRO-short-label [PRO:DNx]
synonym: "UniProtKB:P63220, Met-1, MOD:00058" EXACT PRO-proteoform-std [PRO:DNx]
xref: TDR:1119
xref: TDR:16476
is_a: PR:P63220 ! 40S ribosomal protein S21 (human)
relationship: has_part MOD:00058 ! N-acetyl-L-methionine
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens

[Term]
id: PR:P05765
name: 40S ribosomal protein S21 (rat)
def: "A 40S ribosomal protein S21 that is encoded in the genome of rat." [PANTHER:PTHR10442:SF0, PRO:DNx]
comment: Category=organism-gene.
synonym: "Rps21" RELATED Gene-based [UniProtKB:P05765]
synonym: "rRPS21" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P05765
intersection_of: only_in_taxon NCBITaxon:10116 ! Rattus norvegicus
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template RGD:621038 ! Rps21 (rat)

[Term]
id: PR:P05764
name: 40S ribosomal protein S21 (Schizosaccharomyces pombe 972h-)
def: "A 40S ribosomal protein S21 that is encoded in the genome of Schizosaccharomyces pombe 972h-." [OMA:P05764, PANTHER:PTHR10442:SF0, PRO:DNx]
comment: Category=organism-gene.
synonym: "rps21" RELATED Gene-based [UniProtKB:P05764]
synonym: "SPBC18E5.06" RELATED Gene-based [UniProtKB:P05764]
synonym: "Spom972h-RPS21" EXACT PRO-short-label [PRO:DNx]
synonym: "S28 (Schizosaccharomyces pombe 972h-)" EXACT [UniProtKB:P05764]
xref: UniProtKB:P05764
intersection_of: only_in_taxon NCBITaxon:284812 ! Schizosaccharomyces pombe 972h-
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template PomBase:SPBC18E5.06 ! rps21 (Schizosaccharomyces pombe)

[Term]
id: PR:000014265
name: 40S ribosomal protein S21
def: "A protein that is a translation product of the human RPS21 gene or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=gene.
synonym: "RPS21" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000000001 ! protein

[Term]
id: PR:000038435
name: 40S ribosomal protein S21 isoform 2
def: "A 40S ribosomal protein S21 that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:O76927-2 or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=sequence.
synonym: "RPS21/iso:2" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000014265 ! 40S ribosomal protein S21

[Term]
id: PR:Q7ZUG5-1
name: 40S ribosomal protein S21 isoform 1 (zebrafish)
def: "A 40S ribosomal protein S21 isoform 2 that is encoded in the genome of zebrafish." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "z-RPS21/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q7ZUG5-1
intersection_of: only_in_taxon NCBITaxon:7955 ! Danio rerio
intersection_of: PR:000038435 ! 40S ribosomal protein S21 isoform 2

[Term]
id: PR:O76927-2
name: 40S ribosomal protein S21 isoform E (fruit fly)
def: "A 40S ribosomal protein S21 isoform 2 that is encoded in the genome of fruit fly." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "fly-RPS21/iso:E" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:O76927-2
intersection_of: only_in_taxon NCBITaxon:7227 ! Drosophila melanogaster
intersection_of: PR:000038435 ! 40S ribosomal protein S21 isoform 2

[Term]
id: PR:O76927-1
name: 40S ribosomal protein S21 isoform A (fruit fly)
def: "A 40S ribosomal protein S21 isoform 1 that is encoded in the genome of fruit fly." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "fly-RPS21/iso:A" EXACT PRO-short-label [PRO:DNx]
synonym: "40S ribosomal protein S21 isoform B (fruit fly)" EXACT [UniProtKB:O76927]
xref: UniProtKB:O76927-1
intersection_of: only_in_taxon NCBITaxon:7227 ! Drosophila melanogaster
intersection_of: PR:000040081 ! 40S ribosomal protein S21 isoform 1

[Term]
id: PR:000036168
name: 40S ribosomal protein S21 acetylated 1 (mouse)
def: "A 40S ribosomal protein S21 (mouse) that is N-terminal Met acetylated. UniProtKB:Q9CQR2, Met-1, MOD:00058." [TDR:9136]
comment: Category=organism-modification. Note: Top down proteomics. Evidence=(ECO:0000006).
synonym: "mRPS21/Ac:1" EXACT PRO-short-label [PRO:DNx]
synonym: "UniProtKB:Q9CQR2, Met-1, MOD:00058" EXACT PRO-proteoform-std [PRO:DNx]
xref: TDR:9136
is_a: PR:Q9CQR2 ! 40S ribosomal protein S21 (mouse)
relationship: has_part MOD:00058 ! N-acetyl-L-methionine
relationship: only_in_taxon NCBITaxon:10090 ! Mus musculus

[Term]
id: PR:Q54BN4
name: 40S ribosomal protein S21 (Dictyostelium discoideum)
def: "A 40S ribosomal protein S21 that is encoded in the genome of Dictyostelium discoideum." [OMA:Q54BN4, PANTHER:PTHR10442:SF0, PRO:DNx]
comment: Category=organism-gene.
synonym: "rps21" RELATED Gene-based [UniProtKB:Q54BN4]
synonym: "Dicty-RPS21" EXACT PRO-short-label [PRO:DNx]
synonym: "DDB_G0293700" RELATED Gene-based [UniProtKB:Q54BN4]
xref: UniProtKB:Q54BN4
intersection_of: only_in_taxon NCBITaxon:44689 ! Dictyostelium discoideum
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template dictyBase:DDB_G0293700 ! rps21 (Dictyostelium discoideum)

[Term]
id: PR:P63220-1
name: 40S ribosomal protein S21 isoform 1 (human)
def: "A 40S ribosomal protein S21 isoform 1 that is encoded in the genome of human." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "hRPS21/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P63220-1
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000040081 ! 40S ribosomal protein S21 isoform 1

[Term]
id: PR:P49197
name: 40S ribosomal protein S21 (worm)
def: "A 40S ribosomal protein S21 that is encoded in the genome of worm." [OMA:P49197, PANTHER:PTHR10442:SF0, PRO:DNx]
comment: Category=organism-gene.
synonym: "rps-21" RELATED Gene-based [UniProtKB:P49197]
synonym: "F37C12.11" RELATED Gene-based [UniProtKB:P49197]
synonym: "RPS21 (worm)" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P49197
intersection_of: only_in_taxon NCBITaxon:6239 ! Caenorhabditis elegans
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template WormBase:WBGene00004490 ! rps-21 (worm)

[Term]
id: PR:000040081
name: 40S ribosomal protein S21 isoform 1
def: "A 40S ribosomal protein S21 that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:P63220-1 or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=sequence.
synonym: "RPS21/iso:1" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000014265 ! 40S ribosomal protein S21

[Term]
id: PR:Q7ZUG5
name: 40S ribosomal protein S21 (zebrafish)
def: "A 40S ribosomal protein S21 that is encoded in the genome of zebrafish." [OMA:Q7ZUG5, PANTHER:PTHR10442:SF0, PRO:DNx]
comment: Category=organism-gene.
synonym: "rps21" RELATED Gene-based [UniProtKB:Q7ZUG5]
synonym: "z-RPS21" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q7ZUG5
intersection_of: only_in_taxon NCBITaxon:7955 ! Danio rerio
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template ZFIN:ZDB-GENE-040426-1102 ! rps21 (zebrafish)

[Term]
id: PR:Q9CQR2
name: 40S ribosomal protein S21 (mouse)
def: "A 40S ribosomal protein S21 that is encoded in the genome of mouse." [OMA:Q9CQR2, PRO:DNx]
comment: Category=organism-gene.
synonym: "Rps21" RELATED Gene-based [UniProtKB:Q9CQR2]
synonym: "mRPS21" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q9CQR2
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template MGI:1913731 ! Rps21 (mouse)

[Term]
id: PR:O76927
name: 40S ribosomal protein S21 (fruit fly)
def: "A 40S ribosomal protein S21 that is encoded in the genome of fruit fly." [OMA:O76927, PRO:DNx]
comment: Category=organism-gene.
synonym: "RpS21" RELATED Gene-based [UniProtKB:O76927]
synonym: "CG2986" RELATED Gene-based [UniProtKB:O76927]
synonym: "oho23B" RELATED Gene-based [UniProtKB:O76927]
synonym: "fly-RPS21" EXACT PRO-short-label [PRO:DNx]
synonym: "overgrown hematopoietic organs at 23B (fruit fly)" EXACT [UniProtKB:O76927]
xref: UniProtKB:O76927
intersection_of: only_in_taxon NCBITaxon:7227 ! Drosophila melanogaster
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template FlyBase:FBgn0015521 ! RpS21 (fruit fly)

[Term]
id: PR:P63220
name: 40S ribosomal protein S21 (human)
def: "A 40S ribosomal protein S21 that is encoded in the genome of human." [PRO:DNx, UniProtKB:P63220]
comment: Category=organism-gene.
synonym: "RPS21" RELATED Gene-based [UniProtKB:P63220]
synonym: "hRPS21" EXACT PRO-short-label [PRO:DNx]
synonym: "small ribosomal subunit protein eS21 (human)" EXACT [UniProtKB:P63220]
xref: Reactome:R-HSA-6798732 "PR:P63220 located_in GO:0005654"
xref: UniProtKB:P63220
xref: Reactome:R-HSA-72351 "PR:P63220 located_in GO:0005829"
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000014265 ! 40S ribosomal protein S21
relationship: has_gene_template HGNC:10409 ! RPS21 (human)

[Term]
id: PR:Q9CQR2-1
name: 40S ribosomal protein S21 isoform 1 (mouse)
def: "A 40S ribosomal protein S21 isoform 1 that is encoded in the genome of mouse." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "mRPS21/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q9CQR2-1
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000040081 ! 40S ribosomal protein S21 isoform 1