MASCOT Search Results

Search metadata
User : Jennifer
E-mail : [email protected]
Search title : Rita3 sp
MS data file : PRT1270_T-BRSC_3_20250714120051.mgf
Database : SwissProt 57.15 (515,203 sequences; 181,334,896 residues)
Timestamp : 12 Aug 2025 at 23:41:29 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 : 5,012

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 41–50 (out of 250)


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+41

Accession Score Description
1 ILVC_PSEPG 120 Ketol-acid reductoisomerase OS=Pseudomonas putida (strain GB-1) GN=ilvC PE=3 SV=1

+42

Accession Score Description
1 AMPA_PSEPG 120 Probable cytosol aminopeptidase OS=Pseudomonas putida (strain GB-1) GN=pepA PE=3 SV=1

+43

Accession Score Description
1 YJJK_ECOLI 119 Uncharacterized ABC transporter ATP-binding protein yjjK OS=Escherichia coli (strain K12) GN=yjjK PE=1 SV=2

+44

Accession Score Description
1 ARGD_PSEPK 119 Acetylornithine aminotransferase OS=Pseudomonas putida (strain KT2440) GN=argD PE=3 SV=1

-45

Accession Score Description
1 YEAG_ECOLI 119 Uncharacterized protein yeaG OS=Escherichia coli (strain K12) GN=yeaG PE=3 SV=1
Score Mass Matches Sequences emPAI
45.1 YEAG_ECOLI 119 74776 6 (4) 6 (4) 0.13
Uncharacterized protein yeaG OS=Escherichia coli (strain K12) GN=yeaG PE=3 SV=1
2 samesets of YEAG_ECOLI
YEAG_ECOL6 119 74776 6 (4) 6 (4) 0.13
Uncharacterized protein yeaG OS=Escherichia coli O6 GN=yeaG PE=3 SV=1
YEAG_ECO57 119 74776 6 (4) 6 (4) 0.13
Uncharacterized protein yeaG OS=Escherichia coli O157:H7 GN=yeaG PE=3 SV=1

-6 peptide matches (6 non-duplicate, 0 duplicate)

Query Dupes Observed Mr(expt) Mr(calc) ppm  M Score Expect Rank U Peptide
1043   489.7373 977.4600 977.4566 3.49 1 33 0.2 +1Score > 42 indicates identity
Score > 39 indicates homology
U K.NNEAFLDR.V
1300   552.3195 1102.6244 1102.6135 9.95 1 48 0.001 +1Score > 38 indicates identity
Score > 30 indicates homology
U R.NEIVNFVLR.A
1409   385.2253 1152.6541 1152.6502 3.33 1 28 0.084 +1Score > 37 indicates identity
Score > 30 indicates homology
U K.IEKPAGISNPK.D
1764   657.8984 1313.7822 1313.7707 8.77 0 26 0.0083 +1Score > 34 indicates identity
Score > 18 indicates homology
U K.QILYLLGPVGGGK.S
2022   481.6325 1441.8757 1441.8657 6.93 1 31 0.0068 +1Score > 29 indicates identity
Score > 22 indicates homology
U K.KQILYLLGPVGGGK.S
2755   893.9279 1785.8412 1785.8381 1.78 1 81 3.9e-008 +1Score > 40 indicates identity
Score > 19 indicates homology
U K.TEPGDENNQDISALVGK.V

+46

Accession Score Description
1 RPOA_PSEPK 118 DNA-directed RNA polymerase subunit alpha OS=Pseudomonas putida (strain KT2440) GN=rpoA PE=3 SV=1

+47

Accession Score Description
1 STHA_PSEPG 117 Soluble pyridine nucleotide transhydrogenase OS=Pseudomonas putida (strain GB-1) GN=sthA PE=3 SV=1

+48

Accession Score Description
Family member distances as a dendrogram 1 GLYA2_PSEF5 116 Serine hydroxymethyltransferase 2 OS=Pseudomonas fluorescens (strain Pf-5 / ATCC BAA-477) GN=glyA2 PE=3 SV=1
2 GLYA1_PSEF5 39 Serine hydroxymethyltransferase 1 OS=Pseudomonas fluorescens (strain Pf-5 / ATCC BAA-477) GN=glyA1 PE=3 SV=1

+49

Accession Score Description
1 RRF_ACTSZ 116 Ribosome-recycling factor OS=Actinobacillus succinogenes (strain ATCC 55618 / 130Z) GN=frr PE=3 SV=1

+50

Accession Score Description
1 RL25_PSEPK 114 50S ribosomal protein L25 OS=Pseudomonas putida (strain KT2440) GN=rplY PE=3 SV=2
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