Ontology: Cellular Component (GO:0032040)

Definition: A large ribonucleoprotein complex that is an early preribosomal complex. In S. cerevisiae, it has a size of 80S and consists of the 35S pre-rRNA, early-associating ribosomal proteins most of which are part of the small ribosomal subunit, the U3 snoRNA and associated proteins.

Synonyms: SSU processome; small subunit processome

View Ontology: (graph) | (text)

This table lists the methods used to annotate genes either directly to the term small-subunit processome (49 genes) or to its variants containing one or more qualifiers (0 genes). Note that some genes may have been annotated by more than one method so the numbers in the table below may not add up to the totals given here.

Annotation Method	GO Term	# Yeast Genes Annotated
Manually curated (download data)	small-subunit processome	49
High-throughput	none	none
Computational (download data)	small-subunit processome	5

Links to Additional Annotations:

• View annotations in multiple organisms using
• Search for S. cerevisiae genes annotated, by the Manually curated or High-throughput methods, to this term or to any terms that are descended from this term, i.e., child terms representing more specific biology than this term.

Annotation details for genes that have been directly annotated to the term small-subunit processome or its variants containing one or more qualifiers (NOT, contributes to, or colocalizes with).

small-subunit processome      49 genes directly annotated to this term
Locus	Evidence	Annotation Method	Reference	Assigned By
BUD21/YOR078W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
DIP2/YLR129W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
ECM16/YMR128W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
EMG1/YLR186W	IDA: Inferred from Direct Assay Assigned on 2007-09-19	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
FCF1/YDR339C	IDA: Inferred from Direct Assay, IPI: Inferred from Physical Interaction with SGD:MPP10 Assigned on 2006-07-06	manually curated	Bleichert F, et al.  (2006) The PINc domain protein Utp24, a putative nuclease, is required for the early cleavage steps in 18S rRNA maturation. Proc Natl Acad Sci U S A 103(25):9464-9	SGD
IMP3/YHR148W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
	IMP: Inferred from Mutant Phenotype Assigned on 2006-07-06	manually curated	Wehner KA, et al.  (2002) Components of an interdependent unit within the SSU processome regulate and mediate its activity. Mol Cell Biol 22(20):7258-67	SGD
IMP4/YNL075W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
	IDA: Inferred from Direct Assay Assigned on 2006-07-06	manually curated	Wehner KA, et al.  (2002) Components of an interdependent unit within the SSU processome regulate and mediate its activity. Mol Cell Biol 22(20):7258-67	SGD
KRR1/YCL059C	IDA: Inferred from Direct Assay Assigned on 2007-09-19	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
MPP10/YJR002W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
	IMP: Inferred from Mutant Phenotype Assigned on 2006-07-06	manually curated	Wehner KA, et al.  (2002) Components of an interdependent unit within the SSU processome regulate and mediate its activity. Mol Cell Biol 22(20):7258-67	SGD
NAN1/YPL126W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
NOC4/YPR144C	IDA: Inferred from Direct Assay Assigned on 2007-09-19	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
NOP1/YDL014W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
NOP14/YDL148C	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
	IEA: Inferred from Electronic Annotation with EBI:IPR007276 Last Updated 2013-03-02	computational	DDB, et al.  (2001) Gene Ontology annotation through association of InterPro records with GO terms.	InterPro
NOP56/YLR197W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
NOP58/YOR310C	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
PWP2/YCR057C	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
RPS14A/YCR031C	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS14B/YJL191W	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS2/YGL123W	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS6A/YPL090C	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS6B/YBR181C	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS7A/YOR096W	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS7B/YNL096C	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS9A/YPL081W	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RPS9B/YBR189W	IDA: Inferred from Direct Assay Assigned on 2008-03-20	manually curated	Bernstein KA, et al.  (2004) The small-subunit processome is a ribosome assembly intermediate. Eukaryot Cell 3(6):1619-26	SGD
RRP5/YMR229C	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
RRP9/YPR137W	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
SAS10/YDL153C	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
SNR17A/snR17a	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD
SNR17B/snR17b	IDA: Inferred from Direct Assay Assigned on 2007-08-03	manually curated	Dragon F, et al.  (2002) A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature 417(6892):967-70	SGD

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