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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 PS00284


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PURL: https://purl.expasy.org/prosite/signature/PS00284

Direct ScanProsite submission
General information about the entry

Entry name [info] SERPIN
Accession [info] PS00284
Entry type [info] PATTERN
Date [info] 01-APR-1990 CREATED;
01-DEC-2004 DATA UPDATE;
29-MAY-2024 INFO UPDATE.
PROSITE Doc. [info] PDOC00256

Name and characterization of the entry

Description [info] Serpins signature.
Pattern [info]
[LIVMFY]-{G}-[LIVMFYAC]-[DNQ]-[RKHQS]-[PST]-F-[LIVMFY]-[LIVMFYC]-x-
[LIVMFAH].

Numerical results [info]

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


Total number of hits 368 in 368 different sequences
Number of true positive hits 251 in 251 different sequences
Number of 'unknown' hits 0
Number of false positive hits 117 in 117 different sequences
Number of false negative sequences 40
Number of 'partial' sequences 12
Precision (true positives / (true positives + false positives)) 68.21 %
Recall (true positives / (true positives + false negatives)) 86.25 %

Comments [info]

Taxonomic range [info] Archaea, Eukaryotes, Eukaryotic viruses
Maximum number of repetitions [info] 1
Version [info] 1

Cross-references [info]

UniProtKB/Swiss-Prot
True positive sequences
251 sequences

A1AF_CAVPO  (P22324), A1AF_RABIT  (P23035), A1AS_CAVPO  (P22325), 
A1AT1_HORSE (P38028), A1AT1_MOUSE (P07758), A1AT2_HORSE (P38029), 
A1AT2_MOUSE (P22599), A1AT3_MOUSE (Q00896), A1AT4_HORSE (P38031), 
A1AT4_MOUSE (Q00897), A1AT5_MOUSE (Q00898), A1AT6_MOUSE (Q9DCQ7), 
A1ATR_HUMAN (P20848), A1AT_BOMMO  (P22922), A1AT_BOVIN  (P34955), 
A1AT_CALCN  (O54763), A1AT_CHLAE  (O00394), A1AT_CYPCA  (P32759), 
A1AT_HUMAN  (P01009), A1AT_MUSCR  (P26595), A1AT_MUSSA  (Q63969), 
A1AT_NOTEU  (P38027), A1AT_PAPAN  (P01010), A1AT_PIG(P50447), 
A1AT_PONAB  (Q5RCW5), A1AT_RAT(P17475), A1AT_SHEEP  (P12725), 
A2AP_BOVIN  (P28800), A2AP_HUMAN  (P08697), A2AP_MOUSE  (Q61247), 
A76A_DROME  (Q9VVW1), AACT_HUMAN  (P01011), AACT_PONAB  (Q5R536), 
ACH1_BOMMO  (Q03383), ACH2_BOMMO  (P80034), ALLT_ICTTR  (O54762), 
ALMM_TAMSI  (O54757), ALMS_ICTTR  (O54761), ALMS_TAMSI  (O54758), 
ALSI_TAMSI  (O54760), ALST_TAMSI  (O54759), ANGT_BOVIN  (P01017), 
ANGT_CALJA  (Q9TSZ0), ANGT_GORGO  (Q9GLP6), ANGT_HUMAN  (P01019), 
ANGT_PANTR  (Q9GLN8), ANGT_SHEEP  (P20757), ANT3_HUMAN  (P01008), 
ANT3_MOUSE  (P32261), ANT3_PONAB  (Q5R5A3), ANT3_SHEEP  (P32262), 
BSZ7_HORVU  (Q43492), CBG_BOVIN   (E1BF81), CBG_HUMAN   (P08185), 
CBG_MESAU   (Q60543), CBG_MOUSE   (Q06770), CBG_PIG (Q9GK37), 
CBG_PONAB   (Q5R9E3), CBG_RABIT   (P23775), CBG_RAT (P31211), 
CBG_SAISC   (P50451), CBG_SHEEP   (P49920), CBG_URSAR   (B2D1U1), 
EP45_XENLA  (Q00387), F12AI_BOVIN (P50448), GDN_HUMAN   (P07093), 
GDN_MOUSE   (Q07235), GDN_RAT (P07092), HEP2_HUMAN  (P05546), 
HEP2_MOUSE  (P49182), HEP2_RABIT  (P47776), HEP2_RAT(Q64268), 
HP55_TAMSI  (Q09055), IC1_HUMAN   (P05155), IC1_MOUSE   (P97290), 
IC1_RABIT   (Q9TRG2), IC1_RAT (Q6P734), ILEUA_MOUSE (Q9D154), 
ILEUA_RAT   (Q4G075), ILEUB_MOUSE (Q8VHP7), ILEUC_MOUSE (Q5SV42), 
ILEU_BOVIN  (Q1JPB0), ILEU_HORSE  (P05619), ILEU_HUMAN  (P30740), 
ILEU_PIG(P80229), ILEU_XENLA  (Q52L45), ILEU_XENTR  (Q5I0S8), 
IPIS1_IXOPE (A0A090BX51), IPSP_BOVIN  (Q9N2I2), IPSP_HUMAN  (P05154), 
IRIS_IXORI  (Q9GP13), IRS1_IXORI  (Q06B75), IRS2_IXORI  (Q06B74), 
IRS3_IXORI  (A0A0K8RCY5), IRS4_IXORI  (A0A0K8RJV9), IRS5_IXORI  (A0A0K8RJ89), 
IRS8_IXORI  (Q06B72), KAIN_HUMAN  (P29622), KAIN_PONAB  (Q5RCR2), 
LICI1_TACTR (Q27085), LICI2_TACTR (Q27086), LICI3_TACTR (Q94823), 
NEUS_CHICK  (Q90935), NEUS_HUMAN  (Q99574), NEUS_MOUSE  (O35684), 
NEUS_RAT(Q9JLD2), OVALX_CHICK (P01013), OVALY_CHICK (P01014), 
OVAL_CHICK  (P01012), OVAL_COTCO  (Q6V115), OVAL_COTJA  (P19104), 
OVAL_DRONO  (E2RVI8), OVAL_MELGA  (O73860), PAI1_BOVIN  (P13909), 
PAI1_HUMAN  (P05121), PAI1_MOUSE  (P22777), PAI1_NEOVI  (P50449), 
PAI1_PIG(P79335), PAI1_RAT(P20961), PAI2_HUMAN  (P05120), 
PAI2_MOUSE  (P12388), PAI2_RAT(P29524), PEDF_BOVIN  (Q95121), 
PEDF_HUMAN  (P36955), PEDF_MOUSE  (P97298), SERA_MANSE  (P14754), 
SERP3_BOVIN (A6QQ92), SERP3_DANRE (B0UYL8), SERP3_HUMAN (A8MV23), 
SERPH_BOVIN (Q2KJH6), SERPH_CHICK (P13731), SERPH_HUMAN (P50454), 
SERPH_MOUSE (P19324), SERPH_PONAB (Q5RBS3), SERPH_RAT   (P29457), 
SP27A_DROME (Q9V3N1), SP2_ANOGA   (Q7QIJ8), SP88E_DROME (Q9VFC2), 
SPA12_MOUSE (Q7TMF5), SPA31_BOVIN (Q9TTE1), SPA32_BOVIN (A2I7M9), 
SPA33_BOVIN (Q3ZEJ6), SPA34_BOVIN (A2I7N0), SPA35_BOVIN (A2I7N1), 
SPA36_BOVIN (A2I7N2), SPA37_BOVIN (A2I7N3), SPA38_BOVIN (A6QPQ2), 
SPA3C_MOUSE (P29621), SPA3F_MOUSE (Q80X76), SPA3G_MOUSE (Q5I2A0), 
SPA3K_CAVPO (P22323), SPA3K_MOUSE (P07759), SPA3K_RAT   (P05545), 
SPA3L_RAT   (P05544), SPA3M_MOUSE (Q03734), SPA3M_RAT   (Q63556), 
SPA3N_MOUSE (Q91WP6), SPA3N_RAT   (P09006), SPA9_HUMAN  (Q86WD7), 
SPB10_BOVIN (A5PJK0), SPB10_CALJA (B0CMB0), SPB10_HUMAN (P48595), 
SPB10_MOUSE (Q8K1K6), SPB10_OTOGA (B4USX2), SPB10_PAPAN (A9RA96), 
SPB10_PLEMO (B1MTC3), SPB10_RAT   (Q8K3K4), SPB10_RHIFE (B2KI30), 
SPB10_SORAR (B3RFC3), SPB11_HUMAN (Q96P15), SPB12_HUMAN (Q96P63), 
SPB12_MOUSE (Q9D7P9), SPB13_HUMAN (Q9UIV8), SPB13_MOUSE (Q8CDC0), 
SPB3_HUMAN  (P29508), SPB4_HUMAN  (P48594), SPB5_HUMAN  (P36952), 
SPB5_MOUSE  (P70124), SPB5_PLEMO  (B1MTB7), SPB5_RAT(P70564), 
SPB5_XENLA  (Q6GLQ1), SPB5_XENTR  (Q5M8J5), SPB6_BOVIN  (O02739), 
SPB6_HUMAN  (P35237), SPB6_MACFA  (Q4R3G2), SPB6_MOUSE  (Q60854), 
SPB6_PONAB  (Q5R899), SPB7_HUMAN  (O75635), SPB7_MOUSE  (Q9D695), 
SPB8_BOVIN  (Q5BIR5), SPB8_HUMAN  (P50452), SPB8_MOUSE  (O08800), 
SPB9_HUMAN  (P50453), SPI1_CWPXB  (P42927), SPI1_MONPV  (A0A7H0DNG4), 
SPI1_MYXVL  (P12393), SPI1_RABPU  (P42928), SPI1_VACCC  (P20531), 
SPI1_VACCW  (P15058), SPI1_VAR67  (P0DOT3), SPI1_VARV   (P0DOT4), 
SPI21_RAT   (P09005), SPI24_APOSY (Q60396), SPI2B_VACCC (P20842), 
SPI2_CWPXB  (P07385), SPI2_HUMAN  (O75830), SPI2_MONPV  (A0A7H0DNF9), 
SPI2_MOUSE  (Q9JK88), SPI2_MYXVL  (P68565), SPI2_MYXVU  (P68566), 
SPI2_RABPU  (P42926), SPI2_VACCW  (P15059), SPI2_VAR67  (P0DSW3), 
SPI2_VARV   (P0DSW4), SPI_CYACP   (Q6J201), SPZ10_ARATH (Q9SIR9), 
SPZ12_ORYSJ (Q5NBM0), SPZ1A_WHEAT (Q41593), SPZ1B_WHEAT (P93693), 
SPZ1C_WHEAT (Q9ST58), SPZ1_ARATH  (Q9SH52), SPZ1_ORYSJ  (Q94DW6), 
SPZ2A_WHEAT (Q9ST57), SPZ2B_WHEAT (P93692), SPZ2_ARATH  (Q9ZQR6), 
SPZ3_ARATH  (O48706), SPZ4_ARATH  (Q9M1T7), SPZ4_HORVU  (P06293), 
SPZ5_ARATH  (O04582), SPZ9_ORYSJ  (Q2R8P2), SPZXA_ORYSJ (Q75H81), 
SPZXB_ORYSJ (Q10GX0), SPZX_ARATH  (Q9S7T8), SPZX_HORVU  (Q40066), 
THBG_BOVIN  (Q9TT36), THBG_HUMAN  (P05543), THBG_PANTR  (P61640), 
THBG_PIG(Q9TT35), THBG_RAT(P35577), THBG_SHEEP  (P50450), 
UFAP2_PIG   (P46202), UFAP_PIG(P16708), UTMP_BOVIN  (P46201), 
UTMP_SHEEP  (P21814), V044_FOWPN  (Q9J5F9), V204_FOWPN  (Q9J531), 
Y049_PYRAE  (Q8ZZW3), Y1782_THEKO (Q5JJ64), Y2246_METAC (Q8TNN7), 
Y2678_METMA (Q8PTN8), Y3388_METAC (Q8TKL5)
» more

UniProtKB/Swiss-Prot
False negative sequences
40 sequences

A1AT_DIDVI  (Q03044), A1AT_MERUN  (Q64118), A1AT_MESAU  (P97277), 
ANGT_MOUSE  (P11859), ANGT_RAT(P01015), ANT3_BOVIN  (P41361), 
HMSD_HUMAN  (A8MTL9), IPSP_MOUSE  (P70458), PG040_VACCA (Q85339), 
PG040_VACCC (P20532), PG040_VACCW (P18384), PG040_VAR67 (P33831), 
SP28D_DROME (Q9VLU4), SP42D_DROME (Q7YTY6), SPA11_HUMAN (Q86U17), 
SPA11_MOUSE (Q8CIE0), SPA12_HUMAN (Q8IW75), SPA12_RAT   (Q8R4Z1), 
SPA9_MOUSE  (Q9D7D2), SPB10_CHICK (O73790), SPB11_MOUSE (Q9CQV3), 
SPI1_SWPVK  (Q08519), SPI3_LONON  (Q5MGH0), SPZ10_ORYSJ (Q7XMK1), 
SPZ11_ORYSJ (Q7XMK0), SPZ2A_ORYSJ (Q53KS8), SPZ2B_ORYSJ (Q53KS9), 
SPZ5_ORYSJ  (Q53MD3), SPZ6A_ORYSJ (Q53Q31), SPZ6B_ORYSJ (Q53Q32), 
SPZ6C_ORYSJ (Q53MD1), SPZ8_ORYSJ  (Q53P09), THBG_MOUSE  (P61939), 
V010_FOWPN  (Q9J5J1), V040_FOWPN  (Q9J5G3), V251_FOWPN  (P14369), 
Y2613_METAC (Q8TMP0), YR700_MIMIV (Q7T6X8), ZPI_HUMAN   (Q9UK55), 
ZPI_RAT (Q62975)
» more

UniProtKB/Swiss-Prot
'Partial' sequences
12 sequences

A1AT3_HORSE (P38030), A1AT_CHILA  (P38026), A2AP_STRCA  (P83168), 
ANGT1_BOTJA (Q10581), ANGT2_BOTJA (Q10582), ANGT_CHICK  (P67885), 
ANGT_COTJA  (P67886), ANGT_HORSE  (P01016), ANGT_THETS  (Q10757), 
ANT3_CHICK  (Q03352), ANT3_MESAU  (P81050), SPI_HALRO   (Q10997)
» more

UniProtKB/Swiss-Prot
False positive sequences
117 sequences

ARLY_BUCAI  (P57159), AROB_BUCAI  (P57604), BALAT_DROME (Q961J5), 
CADH2_DANRE (Q90275), CFT1_CANAL  (Q5AFT3), CH60_CUPMC  (Q1LQS4), 
CH60_CUPPJ  (Q46XW6), CH60_MANSM  (Q65VE4), CH60_PLUGE  (O66194), 
CH60_PSEA6  (Q15PD3), CH60_SHEB5  (A3D8W9), CH60_SHEB8  (A6WJ17), 
CH60_SHEDO  (Q12S61), CH60_SHEFN  (Q07WX7), CH60_SHEON  (Q8CX48), 
CH60_SHEPC  (A4Y398), CH60_SHESA  (A0L170), CH60_SHESM  (Q0HEQ4), 
CH60_SHESR  (Q0HZ97), CH60_SHESW  (A1RNN6), CHA4_YEAST  (P43634), 
CIDEC_HUMAN (Q96AQ7), CTR3_YEAST  (Q06686), DCL4_ORYSJ  (A7LFZ6), 
DISP1_MOUSE (Q3TDN0), DLG2_HUMAN  (Q15700), EFTU_LEPBY  (P50066), 
EIK1_PLAF7  (Q8IL26), ELCC_PHANO  (Q0UI03), ENGB_EHRCJ  (Q3YS22), 
ERA_AGRFC   (Q8UGK1), ERA_BRUME   (Q8YG75), ERA_BRUSU   (Q8G1P9), 
FER7_MYCMD  (A1A654), FPG_PARUW   (Q6MCT3), HIR3_YEAST  (P47171), 
HTS1_COCCA  (Q01886), ICAC_STAA8  (Q9RQP6), ICAC_STAAM  (Q931E4), 
ICAC_STAAN  (Q7A348), ICAC_STAAR  (Q6GDD5), ICAC_STAAS  (Q6G605), 
ICAC_STAAW  (Q79ZV2), IP5P3_ARATH (Q8H0Z6), KS6A3_HUMAN (P51812), 
KS6A3_MOUSE (P18654), KS6A6_DANRE (Q6PFQ0), KS6A6_HUMAN (Q9UK32), 
KS6A6_MOUSE (Q7TPS0), LSPA_WOLSU  (Q7M9M1), MEK1_CAEEL  (Q21307), 
MLCE_PENCI  (Q8J0F3), MSH3_BOTFB  (A6RPB6), MSH3_SCLS1  (A7EC69), 
MURC_WOLTR  (Q5GTG5), NBDA_PSEAE  (Q9HYT3), NHAA1_CAMJ8 (A8FNW6), 
NHAA1_CAMJD (A7H5Z9), NHAA1_CAMJE (Q0P7X4), NHAA1_CAMJJ (A1W1Q6), 
NHAA1_CAMJR (Q5HSD9), NLRP9_BOVIN (Q288C4), NU2M_PARTE  (P15577), 
NU4M_MYXGL  (Q9G2W9), NU6M_CHLRE  (P10329), PFL3_SCHPO  (Q874R4), 
PHNW_LYSSC  (B1HPR6), PLXC1_HUMAN (O60486), PLXC1_MOUSE (Q9QZC2), 
POMT2_DANRE (F1Q8R9), POMT2_HUMAN (Q9UKY4), POMT2_MOUSE (Q8BGQ4), 
RELE4_METJA (Q58573), RLMKL_IDILO (Q5QX63), RLMKL_PSEA6 (Q15UB5), 
RNFE_VIBPA  (Q87MW9), RNFE_VIBVU  (Q8D885), RNFE_VIBVY  (Q7MM86), 
S35F3_MOUSE (Q1LZI2), SID1_CAEEL  (Q9GZC8), SPNS3_MOUSE (Q9D232), 
SRB8_PICST  (A3GF47), STSY_RAUMA  (P68174), STSY_RAUSE  (P68175), 
SYA_BACAH   (A0RJ00), SYA_BACAN   (Q81LK0), SYA_BACC1   (P61697), 
SYA_BACCN   (A7GT67), SYA_BACCR   (Q817Z0), SYA_BACCZ   (Q634F6), 
SYA_BACHK   (Q6HDD7), SYA_BACLD   (Q65GS5), SYA_BACMK   (A9VI09), 
SYE1_CAMC5  (A7GXI1), SYI_ANTLO   (Q27707), T214A_MARPO (P12221), 
TERT_ARATH  (Q9SPU7), TOLB_CAMJE  (Q9PJ14), TOLB_CAMJR  (Q5HX54), 
TOLB_HELPH  (Q1CSE0), TOLB_HELPJ  (Q9ZK86), TOLB_HELPY  (O25751), 
TPN50_TREPA (P38369), UL79_SHV21  (Q01003), UNC5D_HUMAN (Q6UXZ4), 
UNC5D_MOUSE (Q8K1S2), UNC5D_RAT   (F1LW30), UVRC_WOLTR  (Q5GSR4), 
VL3_HPV5B   (P26541), VPR_LACPL   (F9USN6), Y3085_AZOC5 (Q04855), 
Y3264_ARATH (P0C897), YHJN_BACSU  (O07568), YIDC_STRAW  (P59811), 
YIDC_STRCO  (O54569), YQOA_CAEEL  (Q09299), ZDHC5_DICDI (Q554E7)
» more

PDB
[Detailed view]
187 PDB

pdb_00001a7c; pdb_00001ant; pdb_00001as4; pdb_00001ath; pdb_00001att; pdb_00001atu; pdb_00001azx; pdb_00001b3k; pdb_00001br8; pdb_00001by7; pdb_00001c5g; pdb_00001c8o; pdb_00001d5s; pdb_00001db2; pdb_00001dvm; pdb_00001dvn; pdb_00001dzg; pdb_00001dzh; pdb_00001e03; pdb_00001e04; pdb_00001e05; pdb_00001ezx; pdb_00001f0c; pdb_00001hle; pdb_00001hp7; pdb_00001imv; pdb_00001jjo; pdb_00001jmj; pdb_00001jmo; pdb_00001jrr; pdb_00001jti; pdb_00001jvq; pdb_00001k9o; pdb_00001kct; pdb_00001lj5; pdb_00001lk6; pdb_00001lq8; pdb_00001m93; pdb_00001nq9; pdb_00001oc0; pdb_00001oo8; pdb_00001oph; pdb_00001ova; pdb_00001oyh; pdb_00001psi; pdb_00001qlp; pdb_00001qmn; pdb_00001r1l; pdb_00001sek; pdb_00001sr5; pdb_00001t1f; pdb_00001tb6; pdb_00001uhg; pdb_00001wz9; pdb_00001xqg; pdb_00001xqj; pdb_00001xu8; pdb_00001yxa; pdb_00002ach; pdb_00002ant; pdb_00002arq; pdb_00002arr; pdb_00002b4x; pdb_00002b5t; pdb_00002beh; pdb_00002ceo; pdb_00002d26; pdb_00002gd4; pdb_00002hi9; pdb_00002hij; pdb_00002oay; pdb_00002ol2; pdb_00002qug; pdb_00002r9y; pdb_00002riv; pdb_00002riw; pdb_00002v95; pdb_00002vdx; pdb_00002vdy; pdb_00002wxw; pdb_00002x0b; pdb_00002xn3; pdb_00002xn5; pdb_00002xn6; pdb_00002xn7; pdb_00002znh; pdb_00002zv6; pdb_00003b9f; pdb_00003caa; pdb_00003cvm; pdb_00003cwl; pdb_00003cwm; pdb_00003drm; pdb_00003dru; pdb_00003dy0; pdb_00003eox; pdb_00003evj; pdb_00003f02; pdb_00003f5n; pdb_00003fgq; pdb_00003kcg; pdb_00003le2; pdb_00003lw2; pdb_00003nda; pdb_00003ndd; pdb_00003ndf; pdb_00003ne4; pdb_00003pb1; pdb_00003pzf; pdb_00003q02; pdb_00003q03; pdb_00003r4l; pdb_00003t1p; pdb_00003ut3; pdb_00004aqh; pdb_00004bb2; pdb_00004c41; pdb_00004c49; pdb_00004caa; pdb_00004dy0; pdb_00004dy7; pdb_00004eb1; pdb_00004g8o; pdb_00004g8r; pdb_00004ga7; pdb_00004ic0; pdb_00004pyw; pdb_00004ro9; pdb_00004roa; pdb_00004rob; pdb_00004rsq; pdb_00004x30; pdb_00004yia; pdb_00004zk0; pdb_00004zk3; pdb_00005brr; pdb_00005du3; pdb_00005duq; pdb_00005io1; pdb_00005m3x; pdb_00005m3y; pdb_00005nbu; pdb_00005nbv; pdb_00005zlz; pdb_00006bj5; pdb_00006f02; pdb_00006gwn; pdb_00006gwp; pdb_00006gwq; pdb_00006hge; pdb_00006hx4; pdb_00006i3f; pdb_00006i3i; pdb_00006i4v; pdb_00006i7u; pdb_00006i8s; pdb_00006iay; pdb_00006kga; pdb_00006los; pdb_00006rod; pdb_00006zrv; pdb_00007ael; pdb_00007ahp; pdb_00007akv; pdb_00007api; pdb_00007aqf; pdb_00007aqg; pdb_00007b2t; pdb_00007npk; pdb_00007npl; pdb_00007pmu; pdb_00007qtz; pdb_00007zas; pdb_00007zbf; pdb_00008api; pdb_00008p4j; pdb_00008p4u; pdb_00008pi2; pdb_00008qz5; pdb_00008r13; pdb_00008r21; pdb_00008w18; pdb_00008zcr; pdb_00009api; pdb_00009c2t; pdb_00009d7k; pdb_00009pai
» more