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 11–20 (out of 250)


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+11

Accession Score Description
1 DBHB_PSEAE 311 DNA-binding protein HU-beta OS=Pseudomonas aeruginosa GN=hupB PE=1 SV=3

+12

Accession Score Description
1 RPOB_PSEPG 306 DNA-directed RNA polymerase subunit beta OS=Pseudomonas putida (strain GB-1) GN=rpoB PE=3 SV=1

+13

Accession Score Description
1 EFG1_PSEPK 280 Elongation factor G 1 OS=Pseudomonas putida (strain KT2440) GN=fusA PE=3 SV=1

+14

Accession Score Description
1 DNAK_PSEPK 280 Chaperone protein dnaK OS=Pseudomonas putida (strain KT2440) GN=dnaK PE=2 SV=1

+15

Accession Score Description
1 RISB_PSEPG 245 6,7-dimethyl-8-ribityllumazine synthase OS=Pseudomonas putida (strain GB-1) GN=ribH PE=3 SV=1

+16

Accession Score Description
1 SAHH_PSEP1 221 Adenosylhomocysteinase OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=ahcY PE=3 SV=1

-17

Accession Score Description
1 SECB_PSEPG 208 Protein-export protein secB OS=Pseudomonas putida (strain GB-1) GN=secB PE=3 SV=1
Score Mass Matches Sequences emPAI
17.1 SECB_PSEPG 208 17842 6 (4) 5 (3) 0.64
Protein-export protein secB OS=Pseudomonas putida (strain GB-1) GN=secB PE=3 SV=1
2 samesets of SECB_PSEPG
SECB_PSEPK 208 17800 6 (4) 5 (3) 0.64
Protein-export protein secB OS=Pseudomonas putida (strain KT2440) GN=secB PE=3 SV=1
SECB_PSEP1 208 17800 6 (4) 5 (3) 0.64
Protein-export protein secB OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=secB 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
492   374.2126 746.4106 746.4075 4.20 0 31 0.57 +2Score > 41 indicates identity U K.SPQIFR.Q
864   453.7344 905.4542 905.4494 5.32 1 20 0.48 +1Score > 42 indicates identity
Score > 29 indicates homology
R.DLSFEAPK.S
2377   801.4161 1600.8176 1600.8097 4.98 0 62 2.1e-005 +1Score > 40 indicates identity
Score > 28 indicates homology
U R.QTWEPSVALDLNTK.Q
3575   760.6819 2279.0239 2278.9938 13.2 1 93 3.8e-008 +1Score > 37 indicates identity
Score > 31 indicates homology
U M.TDQQTNGAAAEDNSPQFSLQR.I + 2 Deamidated (NQ)
3576   1140.5197 2279.0248 2278.9938 13.6 1 111 2.9e-010 +1Score > 37 indicates identity
Score > 28 indicates homology
U M.TDQQTNGAAAEDNSPQFSLQR.I + 2 Deamidated (NQ)
3946   862.4282 2584.2628 2584.2454 6.73 1 17 0.026 +1Score > 38 indicates identity
Score > 14 indicates homology
U R.GSFPALMLSPVNFDALYAQEMQR.M

2 subsets and intersections (2 subset proteins in total)

Score Mass Subset of
SECB_PSEPW 59 17879 17.1
Protein-export protein secB OS=Pseudomonas putida (strain W619) GN=secB PE=3 SV=1
SECB_PSEE4 17 17786 17.1
Protein-export protein secB OS=Pseudomonas entomophila (strain L48) GN=secB PE=3 SV=1

+18

Accession Score Description
1 DHSA_ECOLI 192 Succinate dehydrogenase flavoprotein subunit OS=Escherichia coli (strain K12) GN=sdhA PE=1 SV=1

+19

Accession Score Description
1 CLPB_PSEPK 191 Chaperone protein clpB OS=Pseudomonas putida (strain KT2440) GN=clpB PE=3 SV=1

+20

Accession Score Description
1 PNP_PSEPK 188 Polyribonucleotide nucleotidyltransferase OS=Pseudomonas putida (strain KT2440) GN=pnp PE=3 SV=1
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