MASCOT Search Results

Search metadata
User : Jennifer
E-mail : [email protected]
Search title : Rita5 sp
MS data file : PRT1270_T-BRSC_5_20250714121805.mgf
Database : SwissProt 57.15 (515,203 sequences; 181,334,896 residues)
Timestamp : 12 Aug 2025 at 23:42:02 GMT
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Search parameters
Type of search : MS/MS Ion Search
Enzyme : GluC_Trypsin
Fixed modifications : Carbamidomethyl (C)
Variable modifications : Deamidated (NQ), Oxidation (M)
Mass values : Monoisotopic
Protein mass : Unrestricted
Peptide mass tolerance : ± 20 ppm
Fragment mass tolerance : ± 0.1 Da
Max missed cleavages : 1
Instrument type : ESI-FTICR
Number of queries : 4,997

Score distribution

Peptide score distribution

Peptide score distribution. Ions score is −10log(P), where P is the probability that the observed match is a random event. Individual ions scores > 39 indicate identity or extensive homology (p<0.05).

Protein score distribution for the first 50 proteins

[Deprecated] Score distribution for family members in the first 50 proteins. Protein scores are derived from ions scores as a non-probabilistic basis for ranking protein families.

Legend
Dupes Expect Rank U 1 2 Peptide
0.037 +2 GAYSLSLR significant
9 +1 GFFLFVEGGR top ranking
6.4e-005 +1 GSSIFGLAPGK significant and top ranking
1.3e-006 +1 X SSGTSYPDVLK peptide is found in all proteins in family member 1
6.2e-007 +1 / VCNYVSWIK peptide is found in some but not all proteins in family member 2
6.4e-005 +1 U GSSIFGLAPGK unique
+2 5.7e-005 +1 LNTLETEEWFFK peptide has two duplicates
0.18 +1 LNTLETEEWFFK duplicate peptide

Right-facing triangle (+) in the Dupes or Rank column indicates content that can be expanded by clicking on it. Down-facing triangle (-) indicates the content is expanded and can be collapsed. For more details about particular columns, see results format help.

Protein Family Summary

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Protein families 31–40 (out of 240)


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+31

Accession Score Description
1 STHA_PSEPG 155 Soluble pyridine nucleotide transhydrogenase OS=Pseudomonas putida (strain GB-1) GN=sthA PE=3 SV=1

+32

Accession Score Description
1 GUAA_CELJU 155 GMP synthase [glutamine-hydrolyzing] OS=Cellvibrio japonicus (strain Ueda107) GN=guaA PE=3 SV=1

+33

Accession Score Description
1 PNP_PSEPK 150 Polyribonucleotide nucleotidyltransferase OS=Pseudomonas putida (strain KT2440) GN=pnp PE=3 SV=1

+34

Accession Score Description
1 AMPA_PSEPG 149 Probable cytosol aminopeptidase OS=Pseudomonas putida (strain GB-1) GN=pepA PE=3 SV=1

+35

Accession Score Description
1 ATPG_PSEPG 148 ATP synthase gamma chain OS=Pseudomonas putida (strain GB-1) GN=atpG PE=3 SV=1

+36

Accession Score Description
1 ODO2_PSEAE 136 Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex OS=Pseudomonas aeruginosa GN=sucB PE=3 SV=1

+37

Accession Score Description
1 RL5_PSEE4 134 50S ribosomal protein L5 OS=Pseudomonas entomophila (strain L48) GN=rplE PE=3 SV=1

+38

Accession Score Description
1 CISY_PSEAE 132 Citrate synthase OS=Pseudomonas aeruginosa GN=gltA PE=3 SV=2

-39

Accession Score Description
1 RL21_PSEE4 130 50S ribosomal protein L21 OS=Pseudomonas entomophila (strain L48) GN=rplU PE=3 SV=1
Score Mass Matches Sequences emPAI
39.1 RL21_PSEE4 130 11596 4 (3) 3 (2) 0.76
50S ribosomal protein L21 OS=Pseudomonas entomophila (strain L48) GN=rplU PE=3 SV=1
4 samesets of RL21_PSEE4
RL21_PSEP1 130 11624 4 (3) 3 (2) 0.76
50S ribosomal protein L21 OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=rplU PE=3 SV=1
RL21_PSEPG 130 11624 4 (3) 3 (2) 0.76
50S ribosomal protein L21 OS=Pseudomonas putida (strain GB-1) GN=rplU PE=3 SV=1
RL21_PSEPK 130 11624 4 (3) 3 (2) 0.76
50S ribosomal protein L21 OS=Pseudomonas putida (strain KT2440) GN=rplU PE=3 SV=2
RL21_PSEPW 130 11638 4 (3) 3 (2) 0.76
50S ribosomal protein L21 OS=Pseudomonas putida (strain W619) GN=rplU PE=3 SV=1

-4 peptide matches (4 non-duplicate, 0 duplicate)

Query Dupes Observed Mr(expt) Mr(calc) ppm  M Score Expect Rank U Peptide
960   476.2531 950.4916 950.4862 5.77 1 24 0.63 +1Score > 41 indicates identity
Score > 35 indicates homology
R.QWFTEIK.I
1056   994.5604 993.5531 993.5495 3.65 0 91 2.9e-007 +1Score > 38 indicates identity U M.SYAVIVTGGK.Q
1057   497.7841 993.5536 993.5495 4.17 0 47 0.00077 +1Score > 38 indicates identity
Score > 28 indicates homology
U M.SYAVIVTGGK.Q
1171   522.2985 1042.5824 1042.5771 5.11 1 61 0.00022 +1Score > 41 indicates identity
Score > 37 indicates homology
U K.VVAEVVSQGR.H

1 subset or intersection (3 subset proteins in total)

Score Mass Subset of
RL21_HAES1 61 11492 39.1
50S ribosomal protein L21 OS=Haemophilus somnus (strain 129Pt) GN=rplU PE=3 SV=1
2 samesets of RL21_HAES1
RL21_PSEMY 61 11605
50S ribosomal protein L21 OS=Pseudomonas mendocina (strain ymp) GN=rplU PE=3 SV=1
RL21_HAES2 61 11492
50S ribosomal protein L21 OS=Haemophilus somnus (strain 2336) GN=rplU PE=3 SV=1

+40

Accession Score Description
1 RL2_PSEP1 129 50S ribosomal protein L2 OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=rplB PE=3 SV=1
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