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We are deeply saddened by the passing of Amos Bairoch (1957–2025), the creator of PROSITE. We wish to dedicate our latest paper, published shortly before his death, to him. He will always be a source of inspiration to us.
Our deepest condolences go out to his family and friends, and to all those who had the privilege of working with him. Rest in peace, Amos. Your work will live on long after you are gone.
Amos Bairoch

PROSITE entry PS50063


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PURL: https://purl.expasy.org/prosite/signature/PS50063

Direct ScanProsite submission
General information about the entry

Entry name [info] BH4_2
Accession [info] PS50063
Entry type [info] MATRIX
Date [info] 01-NOV-1997 CREATED;
10-MAY-2017 DATA UPDATE;
29-MAY-2024 INFO UPDATE.
PROSITE Doc. [info] PDOC00829
Associated ProRule [info] PRU00025

Name and characterization of the entry

Description [info] Apoptosis regulator, Bcl-2 family BH4 motif profile.
Matrix / Profile [info]
/GENERAL_SPEC: ALPHABET='ABCDEFGHIKLMNPQRSTVWYZ'; LENGTH=20;
/DISJOINT: DEFINITION=PROTECT; N1=3; N2=18;
/NORMALIZATION: MODE=1; FUNCTION=LINEAR; R1=-0.3853000; R2=0.0180308; TEXT='NScore';
/NORMALIZATION: MODE=-1; FUNCTION=LINEAR; R1=877.5354614; R2=0.6903226; PRIORITY=1; TEXT='Heuristic 5.0%';
/CUT_OFF: LEVEL=0; SCORE=493; H_SCORE=1218; N_SCORE=8.5; MODE=1; TEXT='!';
/CUT_OFF: LEVEL=-1; SCORE=382; H_SCORE=1141; N_SCORE=6.5; MODE=1; TEXT='?';
/DEFAULT: D=-20; I=-20; B1=-50; E1=0; MI=-105; MD=-105; IM=-105; DM=-105;
...
                A   B   C   D   E   F   G   H   I   K   L   M   N   P   Q   R   S   T   V   W   Y   Z
/I:         B1=0; BI=-105; BD=-105;
/M: SY='N';  M= -5,  6,-21, -6,-11,-13,-14, -9,  5,-13,-12, -6, 20,-18, -7,-13,  6,  1, -4,-33,-13,-11;
/M: SY='R';  M=-16, -5,-30, -3, 15,-25,-20,  2,-28, 23,-20,-10,  0,-15, 20, 47, -6,-10,-24,-22,-12, 14;
/M: SY='E';  M= -9, 12,-30, 21, 22,-32, 14, -7,-36, -3,-26,-22,  5, -9,  1, -9,  0,-14,-30,-29,-24, 12;
/M: SY='F';  M=-14,-30,-23,-36,-26, 32,-33,-23, 20,-30, 28, 13,-24,-27,-27,-23,-24,-10, 12, -9, 11,-26;
/M: SY='V';  M=  0,-30,-10,-30,-30,  0,-30,-30, 30,-20, 10, 10,-30,-30,-30,-20,-10,  0, 50,-30,-10,-30;
/M: SY='V';  M= -5,-19,-17,-18, -7, -6,-26,-18, 13,-13,  9, 11,-22,-22,-13,-14,-11, -5, 21,-27,-10,-10;
/M: SY='D';  M=-15, 26,-30, 36, 15,-35,-15, -5,-35, 24,-30,-20, 10,-10,  5,  9, -5,-10,-25,-30,-15, 10;
/M: SY='Y';  M=-20,-24,-26,-28,-24, 49,-30,  4,  0,-18,  4,  0,-20,-30,-22,-14,-20,-10, -6, 22, 61,-24;
/M: SY='F';  M=-11,-30,-20,-36,-28, 30,-33,-25, 23,-28, 19, 11,-24,-27,-29,-23,-19, -8, 21,-12,  8,-28;
/M: SY='T';  M= -1,  0,-15, -4, -4,-16,-12, 14,-19,-10,-20,-11,  6,-13, -1, -7, 20, 21,-12,-34, -6, -4;
/M: SY='Y';  M=-18,-12,-30,-12, -9,  7,-26, 28,-13,  4,-11, -2,-10,-23, -2,  1,-16,-12,-16,  7, 48, -9;
/M: SY='R';  M=-14, -4,-30, -4,  6,-26,-20, -6,-30, 43,-26,-10,  0,-14, 10, 44,-10,-10,-20,-20,-10,  6;
/M: SY='L';  M=-10,-30,-24,-34,-24,  6,-34,-24, 31,-30, 39, 20,-26,-26,-20,-24,-26,-10, 17,-20,  0,-24;
/M: SY='S';  M= 11, -4,-14, -5, -2,-20, -4,-10,-20, -3,-25,-16,  5,-12,  0,  3, 26, 11,-10,-33,-18, -2;
/M: SY='Q';  M=-10,  0,-30,  0, 20,-40,-20, 10,-20, 10,-20,  0,  0,-10, 60, 10,  0,-10,-30,-20,-10, 40;
/M: SY='N';  M=-13, 21,-24,  9,  2,-22, -8,  4,-24, 15,-27,-16, 35,-18,  4, 22,  2, -4,-26,-32,-16,  2;
/M: SY='G';  M=  0,-10,-30,-10,-20,-30, 70,-20,-40,-20,-30,-20,  0,-20,-20,-20,  0,-20,-30,-20,-30,-20;
/M: SY='Y';  M=-15,-22,-25,-25,-20, 18,-28,  6,  9,-14, 16, 19,-22,-28,-10,-12,-22,-10, -1,  7, 43,-18;
/M: SY='D';  M=-10, 23,-26, 34, 33,-32,-12, -2,-32,  2,-26,-24,  9, -6,  9, -6,  8, -4,-26,-36,-20, 21;
/M: SY='W';  M=-20,-40,-50,-40,-30, 10,-20,-30,-20,-20,-20,-20,-40,-30,-20,-20,-40,-30,-30,150, 30,-20;
/I:         E1=0; IE=-105; DE=-105;
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Numerical results [info]

Numerical results for UniProtKB/Swiss-Prot release 2025_04 which contains 573'661 sequence entries.


Total number of hits 19 in 19 different sequences
Number of true positive hits 19 in 19 different sequences
Number of 'unknown' hits 0
Number of false positive hits 0
Number of false negative sequences 7
Number of 'partial' sequences 0
Precision (true positives / (true positives + false positives)) 100.00 %
Recall (true positives / (true positives + false negatives)) 73.08 %

Comments [info]

Taxonomic range [info] Eukaryotes
Maximum number of repetitions [info] 1
Matrix type [info] protein_domain
Scaling database [info] reversed
Author [info] K_Hofmann
Feature key [info] MOTIF
Feature description [info] BH4
Version [info] 5

Cross-references [info]

UniProtKB/Swiss-Prot
True positive sequences
19 sequences

B2CL1_CHICK (Q07816), B2CL1_HUMAN (Q07817), B2CL1_MOUSE (Q64373), 
B2CL1_PIG   (O77737), B2CL1_RAT   (P53563), B2CL2_BOVIN (Q1RMX3), 
B2CL2_CANLF (Q45T69), B2CL2_HUMAN (Q92843), B2CL2_MOUSE (P70345), 
BCL2_BOVIN  (O02718), BCL2_CANLF  (Q6R755), BCL2_CHICK  (Q00709), 
BCL2_CRIGR  (Q9JJV8), BCL2_HUMAN  (P10415), BCL2_MOUSE  (P10417), 
BCL2_RAT(P49950), BOKB_DANRE  (Q7T381), CED9_CAEBR  (P41957), 
CED9_CAEEL  (P41958)
» more

UniProtKB/Swiss-Prot
False negative sequences
7 sequences

B2L13_HUMAN (Q9BXK5), B2L13_MOUSE (P59017), BOKA_DANRE  (Q6DC66), 
BOK_CHICK   (Q9I8I2), BOK_HUMAN   (Q9UMX3), BOK_MOUSE   (O35425), 
BOK_RAT (Q792S6)
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PDB
[Detailed view]
169 PDB

pdb_00001af3; pdb_00001bxl; pdb_00001g5j; pdb_00001g5m; pdb_00001gjh; pdb_00001lxl; pdb_00001maz; pdb_00001mk3; pdb_00001o0l; pdb_00001ohu; pdb_00001pq0; pdb_00001pq1; pdb_00001r2d; pdb_00001r2e; pdb_00001r2g; pdb_00001r2h; pdb_00001r2i; pdb_00001ty4; pdb_00001ysg; pdb_00001ysi; pdb_00001ysn; pdb_00001ysw; pdb_00001zy3; pdb_00002a5y; pdb_00002b48; pdb_00002bzw; pdb_00002lp8; pdb_00002lpc; pdb_00002m03; pdb_00002m04; pdb_00002me8; pdb_00002me9; pdb_00002mej; pdb_00002o1y; pdb_00002o21; pdb_00002o22; pdb_00002o2f; pdb_00002o2m; pdb_00002o2n; pdb_00002p1l; pdb_00002pon; pdb_00002w3l; pdb_00002xa0; pdb_00002y6w; pdb_00002yj1; pdb_00002yq6; pdb_00002yq7; pdb_00002yxj; pdb_00003cva; pdb_00003fdl; pdb_00003fdm; pdb_00003ihc; pdb_00003ihd; pdb_00003ihe; pdb_00003ihf; pdb_00003iig; pdb_00003iih; pdb_00003ilb; pdb_00003ilc; pdb_00003inq; pdb_00003io8; pdb_00003pl7; pdb_00003qkd; pdb_00003r85; pdb_00003sp7; pdb_00003spf; pdb_00003wiz; pdb_00003zk6; pdb_00003zln; pdb_00003zlo; pdb_00003zlr; pdb_00004a1u; pdb_00004a1w; pdb_00004aq3; pdb_00004bpk; pdb_00004c52; pdb_00004c5d; pdb_00004cim; pdb_00004cin; pdb_00004ehr; pdb_00004hnj; pdb_00004ieh; pdb_00004k5a; pdb_00004k5b; pdb_00004lvt; pdb_00004lxd; pdb_00004man; pdb_00004ppi; pdb_00004qnq; pdb_00004qve; pdb_00004qvf; pdb_00004qvx; pdb_00004tuh; pdb_00004yj4; pdb_00004yk9; pdb_00004z9v; pdb_00005agw; pdb_00005agx; pdb_00005b1z; pdb_00005c3g; pdb_00005fcg; pdb_00005fmj; pdb_00005fmk; pdb_00005jsn; pdb_00005vau; pdb_00005vax; pdb_00005vay; pdb_00005vx3; pdb_00005wdd; pdb_00006bf2; pdb_00006ckv; pdb_00006dcn; pdb_00006dco; pdb_00006gl8; pdb_00006hjl; pdb_00006ijq; pdb_00006iwb; pdb_00006lhd; pdb_00006o0k; pdb_00006o0l; pdb_00006o0m; pdb_00006o0o; pdb_00006o0p; pdb_00006rnu; pdb_00006st2; pdb_00006uvc; pdb_00006uvd; pdb_00006uve; pdb_00006uvf; pdb_00006uvg; pdb_00006uvh; pdb_00006vwc; pdb_00006yli; pdb_00006zhc; pdb_00007ca4; pdb_00007jgv; pdb_00007jgw; pdb_00007lh7; pdb_00007lhb; pdb_00007wjh; pdb_00007xgf; pdb_00007xgg; pdb_00007y8d; pdb_00007y90; pdb_00007y99; pdb_00007ya5; pdb_00007yaa; pdb_00008fy0; pdb_00008fy1; pdb_00008fy2; pdb_00008hll; pdb_00008hlm; pdb_00008hln; pdb_00008hog; pdb_00008hoh; pdb_00008hoi; pdb_00008htr; pdb_00008hts; pdb_00008iqk; pdb_00008iql; pdb_00008u27; pdb_00008vwx; pdb_00008vwz; pdb_00008vxm; pdb_00008vxn; pdb_00008wls; pdb_00008xp5; pdb_00008zeb; pdb_00009aqz
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