MASCOT Search Results

Search metadata
User : Jennifer
E-mail : [email protected]
Search title : Rita4 sp
MS data file : PRT1270_T-BRSC_4_20250714120925.mgf
Database : SwissProt 57.15 (515,203 sequences; 181,334,896 residues)
Timestamp : 12 Aug 2025 at 23:41:34 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 : 4,786

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 182)


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+11

Accession Score Description
1 SUCC_PSEPK 276 Succinyl-CoA ligase [ADP-forming] subunit beta OS=Pseudomonas putida (strain KT2440) GN=sucC PE=3 SV=1

+12

Accession Score Description
1 RS5_PSEE4 271 30S ribosomal protein S5 OS=Pseudomonas entomophila (strain L48) GN=rpsE PE=3 SV=1

+13

Accession Score Description
1 RPOA_PSEPK 263 DNA-directed RNA polymerase subunit alpha OS=Pseudomonas putida (strain KT2440) GN=rpoA PE=3 SV=1

+14

Accession Score Description
1 ARCA_PSEPK 261 Arginine deiminase OS=Pseudomonas putida (strain KT2440) GN=arcA PE=3 SV=1

+15

Accession Score Description
1 DHSA_ECOLI 235 Succinate dehydrogenase flavoprotein subunit OS=Escherichia coli (strain K12) GN=sdhA PE=1 SV=1

+16

Accession Score Description
1 ADHP_ECOLI 222 Alcohol dehydrogenase, propanol-preferring OS=Escherichia coli (strain K12) GN=adhP PE=1 SV=1

+17

Accession Score Description
1 RL18_PSEP1 217 50S ribosomal protein L18 OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=rplR PE=3 SV=1

+18

Accession Score Description
1 EFG1_PSEPK 213 Elongation factor G 1 OS=Pseudomonas putida (strain KT2440) GN=fusA PE=3 SV=1

-19

Accession Score Description
1 ACON2_PSEAE 201 Aconitate hydratase 2 OS=Pseudomonas aeruginosa GN=acnB PE=3 SV=1
Score Mass Matches Sequences emPAI
19.1 ACON2_PSEAE 201 94196 11 (6) 7 (5) 0.13
Aconitate hydratase 2 OS=Pseudomonas aeruginosa GN=acnB PE=3 SV=1

-11 peptide matches (7 non-duplicate, 4 duplicate)

Query Dupes Observed Mr(expt) Mr(calc) ppm  M Score Expect Rank U Peptide
651 +1 384.2629 766.5112 766.5065 6.19 0 29 0.031 +1Score > 27 indicates identity U R.IPLIVGR.G
977   463.2824 924.5502 924.5433 7.54 0 20 0.36 +2Score > 36 indicates identity
Score > 28 indicates homology
U R.LWLAPPTK.M
1745   622.8325 1243.6504 1243.6449 4.50 1 37 0.0021 +1Score > 41 indicates identity
Score > 22 indicates homology
U R.VPPGVDEAAYVK.A
1913   661.8516 1321.6886 1321.6838 3.67 0 70 8.8e-006 +1Score > 40 indicates identity
Score > 32 indicates homology
U R.VQTGSTVVSTSTR.N
2032 +1 694.8546 1387.6946 1387.6772 12.6 1 64 2.3e-005 +1Score > 41 indicates identity
Score > 30 indicates homology
U R.YLSFDQIAEFR.E
2623 +1 834.4329 1666.8512 1666.8315 11.8 0 72 2.7e-006 +1Score > 40 indicates identity
Score > 29 indicates homology
U K.GFPVAYVGDVVGTGSSR.K
3070 +1 484.2699 1933.0505 1933.0282 11.5 0 19 0.34 +1Score > 36 indicates identity
Score > 27 indicates homology
U R.GGVSLRPGDGIIHSWLNR.M

2 subsets and intersections (3 subset proteins in total)

Score Mass Subset of
ACON2_ECOLI 37 94009 19.1
Aconitate hydratase 2 OS=Escherichia coli (strain K12) GN=acnB PE=1 SV=3
1 sameset of ACON2_ECOLI
ACON2_SYNY3 37 94290
Aconitate hydratase 2 OS=Synechocystis sp. (strain PCC 6803) GN=acnB PE=3 SV=1
RIBA_BAUCH 29 22461 19.1
GTP cyclohydrolase-2 OS=Baumannia cicadellinicola subsp. Homalodisca coagulata GN=ribA PE=3 SV=1

+20

Accession Score Description
1 RL11_PSEP1 200 50S ribosomal protein L11 OS=Pseudomonas putida (strain F1 / ATCC 700007) GN=rplK PE=3 SV=1
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