Carg13997 (gene) Silver-seed gourd (SMH-JMG-627) v2

Overview


Name	Carg13997
Type	gene
Organism	Cucurbita argyrosperma subsp. argyrosperma cv. SMH-JMG-627 (Silver-seed gourd (SMH-JMG-627) v2)
Description	50S ribosomal protein L23, chloroplastic
Location	Carg_Chr02: 6665638 .. 6665901 (+)
RNA-Seq Expression	Carg13997
Synteny	Carg13997

Sequences

The following sequences are available for this feature:

Gene sequence (with intron)

Legend: exonCDSpolypeptide

Hold the cursor over a type above to highlight its positions in the sequence below.

ATGGAGAGGAGGAATGTCTGGTTTGTCAACAAAACAAGTCTGGGACTCAATCTCGGAATCAAACATGTAGGATTTACAGACAAAACTACTTGGTTATTGGGAAAACTTCAATATACTTCTAATGTTGAATCGTGATCAATTAGGACAGAAATAAAGCATTGTGTTAAACTCTTCTTTGGTGTCAAGGTAATAGCTATGAATAGTCATCGACTTCCGAAAAAGAGTAGGAGAATGAGACCTGTTATGAGACATACAATGCATTAG

mRNA sequence

ATGGAGAGGAGGAATGTCTGGTTTGTCAACAAAACAAGTCTGGGACTCAATCTCGGAATCAAACATGTAGGATTTACAGACAAAACTACTTGGTTATTGGGAAAACTTCAATATACTTCTAATGTTGAATCGACAGAAATAAAGCATTGTGTTAAACTCTTCTTTGGTGTCAAGGTAATAGCTATGAATAGTCATCGACTTCCGAAAAAGAGTAGGAGAATGAGACCTGTTATGAGACATACAATGCATTAG

Coding sequence (CDS)

ATGGAGAGGAGGAATGTCTGGTTTGTCAACAAAACAAGTCTGGGACTCAATCTCGGAATCAAACATGTAGGATTTACAGACAAAACTACTTGGTTATTGGGAAAACTTCAATATACTTCTAATGTTGAATCGACAGAAATAAAGCATTGTGTTAAACTCTTCTTTGGTGTCAAGGTAATAGCTATGAATAGTCATCGACTTCCGAAAAAGAGTAGGAGAATGAGACCTGTTATGAGACATACAATGCATTAG

Protein sequence

MERRNVWFVNKTSLGLNLGIKHVGFTDKTTWLLGKLQYTSNVESTEIKHCVKLFFGVKVIAMNSHRLPKKSRRMRPVMRHTMH

Homology

[Close]

BLAST of Carg13997 vs. NCBI nr
Match: KAG7035768.1 (50S ribosomal protein L23, chloroplastic, partial [Cucurbita argyrosperma subsp. argyrosperma])

HSP 1 Score: 173.7 bits (439), Expect = 6.6e-40
Identity = 83/83 (100.00%), Postives = 83/83 (100.00%), Query Frame = 0


Query: 1  MERRNVWFVNKTSLGLNLGIKHVGFTDKTTWLLGKLQYTSNVESTEIKHCVKLFFGVKVI 60
          MERRNVWFVNKTSLGLNLGIKHVGFTDKTTWLLGKLQYTSNVESTEIKHCVKLFFGVKVI
Sbjct: 1  MERRNVWFVNKTSLGLNLGIKHVGFTDKTTWLLGKLQYTSNVESTEIKHCVKLFFGVKVI 60

Query: 61 AMNSHRLPKKSRRMRPVMRHTMH 84
          AMNSHRLPKKSRRMRPVMRHTMH
Sbjct: 61 AMNSHRLPKKSRRMRPVMRHTMH 83

[Close]

BLAST of Carg13997 vs. NCBI nr
Match: YP_009731796.1 (ribosomal protein L23 [Siphonostegia chinensis] >YP_009731816.1 ribosomal protein L23 [Siphonostegia chinensis] >QHR84990.1 ribosomal protein L23 [Siphonostegia chinensis] >QHR85010.1 ribosomal protein L23 [Siphonostegia chinensis])

HSP 1 Score: 99.4 bits (246), Expect = 1.6e-17
Identity = 51/69 (73.91%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+ WLLGK QYTSNVES    TE+KH V+LFFGVKVIAMNSHRLP K RRM
Sbjct: 3  GIKNPVFTDKSIWLLGKNQYTSNVESGSTRTELKHWVELFFGVKVIAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. NCBI nr
Match: YP_009756322.1 (ribosomal protein L23 [Withania coagulans] >YP_009756343.1 ribosomal protein L23 [Withania coagulans] >QFR99349.1 ribosomal protein L23 [Withania somnifera] >DAC81886.1 TPA_asm: ribosomal protein L23 [Withania adpressa] >DAC81970.1 TPA_asm: ribosomal protein L23 [Withania riebeckii] >QFR99368.1 ribosomal protein L23 [Withania somnifera] >QJA26325.1 ribosomal protein L23 [Withania coagulans])

HSP 1 Score: 99.0 bits (245), Expect = 2.1e-17
Identity = 53/69 (76.81%), Postives = 57/69 (82.61%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+V FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYVVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. NCBI nr
Match: YP_009671421.1 (ribosomal protein L23 [Passiflora obovata] >YP_009671437.1 ribosomal protein L23 [Passiflora obovata] >QCX30696.1 ribosomal protein L23 [Passiflora obovata] >QCX30697.1 ribosomal protein L23 [Passiflora obovata])

HSP 1 Score: 99.0 bits (245), Expect = 2.1e-17
Identity = 50/69 (72.46%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GI++  FTDK+ WLLGK QYT NVES    TEIKH V+LFFGVKV+AMNSHRLP K RRM
Sbjct: 3  GIQYAVFTDKSIWLLGKNQYTLNVESGSTRTEIKHWVELFFGVKVMAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
          RP+M HTMH
Sbjct: 63 RPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. NCBI nr
Match: YP_009474014.1 (ribosomal protein L23 [Itoa orientalis] >YP_009474034.1 ribosomal protein L23 [Itoa orientalis] >YP_009474099.1 ribosomal protein L23 [Poliothyrsis sinensis] >YP_009474119.1 ribosomal protein L23 [Poliothyrsis sinensis] >YP_009674617.1 ribosomal protein L23 [Carrierea calycina] >YP_009674638.1 ribosomal protein L23 [Carrierea calycina] >AVK40678.1 ribosomal protein L23 [Itoa orientalis] >AVK40698.1 ribosomal protein L23 [Itoa orientalis] >AVK40764.1 ribosomal protein L23 [Poliothyrsis sinensis] >AVK40782.1 ribosomal protein L23 [Poliothyrsis sinensis] >QDC34994.1 ribosomal protein L23 [Carrierea calycina])

HSP 1 Score: 99.0 bits (245), Expect = 2.1e-17
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP K RRM
Sbjct: 3  GIKYAVFTDKSILLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
          RP+M HTMH
Sbjct: 63 RPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy Swiss-Prot
Match: Q7FNR4 (50S ribosomal protein L23, chloroplastic OS=Atropa belladonna OX=33113 GN=rpl23-A PE=3 SV=1)

HSP 1 Score: 97.4 bits (241), Expect = 7.9e-20
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy Swiss-Prot
Match: Q3C1N5 (50S ribosomal protein L23, chloroplastic OS=Nicotiana sylvestris OX=4096 GN=rpl23-A PE=3 SV=1)

HSP 1 Score: 97.4 bits (241), Expect = 7.9e-20
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy Swiss-Prot
Match: Q33BY9 (50S ribosomal protein L23, chloroplastic OS=Nicotiana tomentosiformis OX=4098 GN=rpl23-A PE=3 SV=1)

HSP 1 Score: 97.4 bits (241), Expect = 7.9e-20
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy Swiss-Prot
Match: Q2MIE5 (50S ribosomal protein L23, chloroplastic OS=Solanum bulbocastanum OX=147425 GN=rpl23-A PE=3 SV=1)

HSP 1 Score: 97.4 bits (241), Expect = 7.9e-20
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy Swiss-Prot
Match: Q2MI58 (50S ribosomal protein L23, chloroplastic OS=Solanum lycopersicum OX=4081 GN=rpl23-A PE=3 SV=1)

HSP 1 Score: 97.4 bits (241), Expect = 7.9e-20
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy TrEMBL
Match: A0A6B9XLF4 (50S ribosomal protein L23, chloroplastic OS=Siphonostegia chinensis OX=374729 GN=rpl23 PE=3 SV=1)

HSP 1 Score: 99.4 bits (246), Expect = 7.6e-18
Identity = 51/69 (73.91%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+ WLLGK QYTSNVES    TE+KH V+LFFGVKVIAMNSHRLP K RRM
Sbjct: 3  GIKNPVFTDKSIWLLGKNQYTSNVESGSTRTELKHWVELFFGVKVIAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy TrEMBL
Match: A0A2P1CRM0 (50S ribosomal protein L23, chloroplastic OS=Itoa orientalis OX=179731 GN=rpl23 PE=3 SV=1)

HSP 1 Score: 99.0 bits (245), Expect = 1.0e-17
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP K RRM
Sbjct: 3  GIKYAVFTDKSILLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
          RP+M HTMH
Sbjct: 63 RPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy TrEMBL
Match: A0A4Y5QGD7 (50S ribosomal protein L23, chloroplastic OS=Passiflora obovata OX=378248 GN=rpl23 PE=3 SV=1)

HSP 1 Score: 99.0 bits (245), Expect = 1.0e-17
Identity = 50/69 (72.46%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GI++  FTDK+ WLLGK QYT NVES    TEIKH V+LFFGVKV+AMNSHRLP K RRM
Sbjct: 3  GIQYAVFTDKSIWLLGKNQYTLNVESGSTRTEIKHWVELFFGVKVMAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
          RP+M HTMH
Sbjct: 63 RPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy TrEMBL
Match: A0A6H1YDD7 (50S ribosomal protein L23, chloroplastic OS=Withania coagulans OX=180581 GN=rpl23 PE=3 SV=1)

HSP 1 Score: 99.0 bits (245), Expect = 1.0e-17
Identity = 53/69 (76.81%), Postives = 57/69 (82.61%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+V FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP KSRRM
Sbjct: 3  GIKYVVFTDKSIRLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKSRRM 62

Query: 79 RPVMRHTMH 84
           P+M HTMH
Sbjct: 63 GPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. ExPASy TrEMBL
Match: A0A4Y5UR01 (50S ribosomal protein L23, chloroplastic OS=Carrierea calycina OX=312356 GN=rpl23 PE=3 SV=1)

HSP 1 Score: 99.0 bits (245), Expect = 1.0e-17
Identity = 52/69 (75.36%), Postives = 56/69 (81.16%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYTSNVES    TEIKH V+LFFGVKVIAMNSHRLP K RRM
Sbjct: 3  GIKYAVFTDKSILLLGKNQYTSNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKGRRM 62

Query: 79 RPVMRHTMH 84
          RP+M HTMH
Sbjct: 63 RPIMGHTMH 71

[Close]

BLAST of Carg13997 vs. TAIR 10
Match: ATCG00840.1 (ribosomal protein L23.1 )

HSP 1 Score: 90.5 bits (223), Expect = 6.8e-19
Identity = 48/69 (69.57%), Postives = 54/69 (78.26%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYT NVES    TEIKH V+LFFGVKVIAMNSHRLP K +RM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTFNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKVKRM 62

Query: 79 RPVMRHTMH 84
           P++ HTMH
Sbjct: 63 GPILGHTMH 71

[Close]

BLAST of Carg13997 vs. TAIR 10
Match: ATCG01300.1 (ribosomal protein L23 )

HSP 1 Score: 90.5 bits (223), Expect = 6.8e-19
Identity = 48/69 (69.57%), Postives = 54/69 (78.26%), Query Frame = 0


Query: 19 GIKHVGFTDKTTWLLGKLQYTSNVES----TEIKHCVKLFFGVKVIAMNSHRLPKKSRRM 78
          GIK+  FTDK+  LLGK QYT NVES    TEIKH V+LFFGVKVIAMNSHRLP K +RM
Sbjct: 3  GIKYAVFTDKSIRLLGKNQYTFNVESGSTRTEIKHWVELFFGVKVIAMNSHRLPGKVKRM 62

Query: 79 RPVMRHTMH 84
           P++ HTMH
Sbjct: 63 GPILGHTMH 71

The following BLAST results are available for this feature:

BLAST of Carg13997 vs. NCBI nr


Match Name	E-value	Identity	Description
KAG7035768.1	6.6e-40	100.00	50S ribosomal protein L23, chloroplastic, partial [Cucurbita argyrosperma subsp....	[more]
YP_009731796.1	1.6e-17	73.91	ribosomal protein L23 [Siphonostegia chinensis] >YP_009731816.1 ribosomal protei...	[more]
YP_009756322.1	2.1e-17	76.81	ribosomal protein L23 [Withania coagulans] >YP_009756343.1 ribosomal protein L23...	[more]
YP_009671421.1	2.1e-17	72.46	ribosomal protein L23 [Passiflora obovata] >YP_009671437.1 ribosomal protein L23...	[more]
YP_009474014.1	2.1e-17	75.36	ribosomal protein L23 [Itoa orientalis] >YP_009474034.1 ribosomal protein L23 [I...	[more]

BLAST of Carg13997 vs. ExPASy Swiss-Prot


Match Name	E-value	Identity	Description
Q7FNR4	7.9e-20	75.36	50S ribosomal protein L23, chloroplastic OS=Atropa belladonna OX=33113 GN=rpl23-...	[more]
Q3C1N5	7.9e-20	75.36	50S ribosomal protein L23, chloroplastic OS=Nicotiana sylvestris OX=4096 GN=rpl2...	[more]
Q33BY9	7.9e-20	75.36	50S ribosomal protein L23, chloroplastic OS=Nicotiana tomentosiformis OX=4098 GN...	[more]
Q2MIE5	7.9e-20	75.36	50S ribosomal protein L23, chloroplastic OS=Solanum bulbocastanum OX=147425 GN=r...	[more]
Q2MI58	7.9e-20	75.36	50S ribosomal protein L23, chloroplastic OS=Solanum lycopersicum OX=4081 GN=rpl2...	[more]

BLAST of Carg13997 vs. ExPASy TrEMBL


Match Name	E-value	Identity	Description
A0A6B9XLF4	7.6e-18	73.91	50S ribosomal protein L23, chloroplastic OS=Siphonostegia chinensis OX=374729 GN...	[more]
A0A2P1CRM0	1.0e-17	75.36	50S ribosomal protein L23, chloroplastic OS=Itoa orientalis OX=179731 GN=rpl23 P...	[more]
A0A4Y5QGD7	1.0e-17	72.46	50S ribosomal protein L23, chloroplastic OS=Passiflora obovata OX=378248 GN=rpl2...	[more]
A0A6H1YDD7	1.0e-17	76.81	50S ribosomal protein L23, chloroplastic OS=Withania coagulans OX=180581 GN=rpl2...	[more]
A0A4Y5UR01	1.0e-17	75.36	50S ribosomal protein L23, chloroplastic OS=Carrierea calycina OX=312356 GN=rpl2...	[more]

BLAST of Carg13997 vs. TAIR 10


Match Name	E-value	Identity	Description
ATCG00840.1	6.8e-19	69.57	ribosomal protein L23.1	[more]
ATCG01300.1	6.8e-19	69.57	ribosomal protein L23	[more]

InterPro

Analysis Name: InterPro Annotations of Silver-seed gourd (SMH-JMG-627) v2
Date Performed: 2021-10-25

Position :

Zoom :

x 1


IPR Term	IPR Description	Source	Source Term	Source Description	Alignment
IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	GENE3D	3.30.70.330		coord: 19..83 e-value: 9.0E-7 score: 31.2
IPR013025	Ribosomal protein L25/L23	PANTHER	PTHR11620	60S RIBOSOMAL PROTEIN L23A	coord: 19..83
None	No IPR available	PANTHER	PTHR11620:SF69	50S RIBOSOMAL PROTEIN L23, CHLOROPLASTIC	coord: 19..83
IPR012678	Ribosomal protein L23/L15e core domain superfamily	SUPERFAMILY	54189	Ribosomal proteins S24e, L23 and L15e	coord: 20..82

Relationships

The following mRNA feature(s) are a part of this gene:


Feature Name	Unique Name	Type
Carg13997-RA	Carg13997-RA	mRNA

GO Annotation

GO Assignments

This gene is annotated with the following GO terms.

Category	Term Accession	Term Name
biological_process	GO:0006412	translation
cellular_component	GO:0009507	chloroplast
cellular_component	GO:0005840	ribosome
molecular_function	GO:0003729	mRNA binding
molecular_function	GO:0019843	rRNA binding
molecular_function	GO:0003735	structural constituent of ribosome