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PROSITE entry PS50053


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PURL: https://purl.expasy.org/prosite/signature/PS50053

Direct ScanProsite submission
General information about the entry

Entry name [info] UBIQUITIN_2
Accession [info] PS50053
Entry type [info] MATRIX
Date [info] 01-NOV-1997 CREATED;
10-MAY-2017 DATA UPDATE;
29-MAY-2024 INFO UPDATE.
PROSITE Doc. [info] PDOC00271
Associated ProRule [info] PRU00214

Name and characterization of the entry

Description [info] Ubiquitin domain profile.
Matrix / Profile [info]
/GENERAL_SPEC: ALPHABET='ABCDEFGHIKLMNPQRSTVWYZ'; LENGTH=76;
/DISJOINT: DEFINITION=PROTECT; N1=6; N2=71;
/NORMALIZATION: MODE=1; FUNCTION=LINEAR; R1=0.1843000; R2=0.0217754; TEXT='NScore';
/NORMALIZATION: MODE=-1; FUNCTION=LINEAR; R1=3386.7353516; R2=3.7062781; PRIORITY=1; TEXT='Heuristic 5.0%';
/CUT_OFF: LEVEL=0; SCORE=382; H_SCORE=4803; N_SCORE=8.5; MODE=1; TEXT='!';
/CUT_OFF: LEVEL=-1; SCORE=291; H_SCORE=4465; N_SCORE=6.5; MODE=1; TEXT='?';
/DEFAULT: D=-20; I=-20; B1=-30; E1=-30; MI=-105; MD=-105; IM=-105; DM=-105; MM=1; M0=-1;
...
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Numerical results [info]

Numerical results for UniProtKB/Swiss-Prot release 2025_03 which contains 573'661 sequence entries.


Total number of hits 787 in 505 different sequences
Number of true positive hits 779 in 497 different sequences
Number of 'unknown' hits 2 in 2 different sequences
Number of false positive hits 6 in 6 different sequences
Number of false negative sequences 57
Number of 'partial' sequences 0
Precision (true positives / (true positives + false positives)) 99.24 %
Recall (true positives / (true positives + false negatives)) 93.18 %

Comments [info]

Taxonomic range [info] Eukaryotes, Eukaryotic viruses
Maximum number of repetitions [info] 11
Matrix type [info] protein_domain
Scaling database [info] reversed
Author [info] K_Hofmann
Feature key [info] DOMAIN
Feature description [info] Ubiquitin-like
Version [info] 5

Cross-references [info]

UniProtKB/Swiss-Prot
True positive sequences
497 sequences

ALP11_SCHPO (Q10235), ANR60_HUMAN (Q9BZ19), BAG1A_SCHPO (O60125), 
» more

UniProtKB/Swiss-Prot
False negative sequences
57 sequences

BIRC6_HUMAN (Q9NR09), BIRC6_MOUSE (O88738), DDI1_CRYNB  (P0CS15), 
» more

UniProtKB/Swiss-Prot
'Unknown' sequences
2 sequences

ESC2_EREGS  (Q756K3), ESC2_YEAST  (Q06340)

		
UniProtKB/Swiss-Prot
False positive sequences
6 sequences

ANKUB_HUMAN (A6NFN9), CYSI_BACVZ  (A7Z8R5), IKKB_HUMAN  (O14920), 
» more

PDB
[Detailed view]
1671 PDB

1A5R; 1AAR; 1BT0; 1C3T; 1CMX; 1D3Z; 1EUV; 1F9J; 1FXT; 1G6J; 1GJZ; 1IYF;
» more