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 91–100 (out of 182)


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+91

Accession Score Description
1 RS3_PSEE4 50 30S ribosomal protein S3 OS=Pseudomonas entomophila (strain L48) GN=rpsC PE=3 SV=1

+92

Accession Score Description
1 CLPX_VARPS 50 ATP-dependent Clp protease ATP-binding subunit clpX OS=Variovorax paradoxus (strain S110) GN=clpX PE=3 SV=1

+93

Accession Score Description
1 GLPD_PSETO 49 Glycerol-3-phosphate dehydrogenase OS=Pseudomonas tolaasii GN=glpD PE=3 SV=1

+94

Accession Score Description
1 ISPD_ALKMQ 49 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase OS=Alkaliphilus metalliredigens (strain QYMF) GN=ispD PE=3 SV=1

+95

Accession Score Description
1 DNAB_MYCPN 48 Replicative DNA helicase OS=Mycoplasma pneumoniae GN=dnaB PE=1 SV=1

+96

Accession Score Description
1 STHA_PSEAB 47 Soluble pyridine nucleotide transhydrogenase OS=Pseudomonas aeruginosa (strain UCBPP-PA14) GN=sthA PE=3 SV=1

+97

Accession Score Description
1 CYOB_PSEPU 47 Ubiquinol oxidase subunit 1 OS=Pseudomonas putida GN=cyoB PE=3 SV=1

+98

Accession Score Description
1 ASPA_PSEAE 47 Aspartate ammonia-lyase OS=Pseudomonas aeruginosa GN=aspA PE=3 SV=1

-99

Accession Score Description
1 LEUC_PSEF5 45 3-isopropylmalate dehydratase large subunit OS=Pseudomonas fluorescens (strain Pf-5 / ATCC BAA-477) GN=leuC PE=3 SV=1
Score Mass Matches Sequences emPAI
99.1 LEUC_PSEF5 45 51036 4 (1) 2 (1) 0.04
3-isopropylmalate dehydratase large subunit OS=Pseudomonas fluorescens (strain Pf-5 / ATCC BAA-477) GN=leuC PE=3 SV=1

-4 peptide matches (3 non-duplicate, 1 duplicate)

Query Dupes Observed Mr(expt) Mr(calc) ppm  M Score Expect Rank U Peptide
402   322.2112 642.4078 642.4064 2.20 0 14 1.4 +3Score > 42 indicates identity
Score > 28 indicates homology
U R.AAAVIAK.G
405 +1 643.4160 642.4087 642.4064 3.57 0 45 0.025 +1Score > 41 indicates identity U R.AAAVIAK.G
3556   746.3904 2236.1494 2236.1521 -1.23 1 8 0.92 +1Score > 38 indicates identity
Score > 20 indicates homology
U R.ALKYMGLSANQAITDIQLDR.V + Oxidation (M)

+100

Accession Score Description
1 PANB_STRAW 44 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Streptomyces avermitilis GN=panB PE=3 SV=1
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