CHEBI:142437 - lepirudin

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name lepirudin
ChEBI ID CHEBI:142437
Definition A heterodetic cyclic peptide composed of 65 amino acids joined in sequence and cyclised by three disulfide bridges between cysteine residues 6-14, 16-28 and 22-39. It is a highly specific inhibitor of thrombin and used as an anticoagulant in patients with heparin-induced thrombocytopenia.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter Bijay
Supplier Information
Download Molfile XML SDF
Wikipedia License
Waiting for wikipedia content
Read full article at Wikipedia
Formula C287H440N80O111S6
Net Charge 0
Average Mass 6979.442
Monoisotopic Mass 6974.95688
InChI InChI=1S/C287H440N80O111S6/c1-24-132(17)225-280(470)345-162(87-126(5)6)236(426)306-111-209(396)320-181(116-370)267(457)344-176(101-220(416)417)238(428)307-105-203(390)316-152(61-74-213(402)403)243(433)321-146(40-29-32-80-288)241(431)339-171(96-198(298)385)259(449)326-153(56-69-194(294)381)250(440)351-186(121-482-479-118-183-240(430)310-107-202(389)313-148(54-67-192(292)379)233(423)303-108-206(393)317-170(95-197(297)384)258(448)322-147(41-30-33-81-289)242(432)350-187(272(462)359-225)122-483-480-119-184(269(459)323-150(60-73-212(400)401)235(425)304-110-208(395)319-180(115-369)266(456)342-174(99-201(301)388)265(455)357-223(130(13)14)278(468)355-183)352-254(444)165(90-129(11)12)335-270(460)185-120-481-484-123-188(354-263(453)178(103-222(420)421)347-283(473)230(137(22)375)362-264(454)168(93-141-48-52-144(378)53-49-141)346-282(472)228(135(20)373)361-232(422)145(291)86-125(3)4)273(463)363-229(136(21)374)281(471)330-158(65-78-217(410)411)249(439)348-179(114-368)239(429)309-106-204(391)315-151(55-68-193(293)380)244(434)340-172(97-199(299)386)260(450)334-164(89-128(9)10)253(443)353-185)271(461)358-224(131(15)16)279(469)364-227(134(19)372)277(467)311-112-205(392)314-149(59-72-211(398)399)234(424)305-113-210(397)356-231(138(23)376)286(476)367-85-37-45-191(367)276(466)331-160(42-31-34-82-290)284(474)365-83-35-43-189(365)274(464)328-154(57-70-195(295)382)248(438)349-182(117-371)268(458)338-169(94-142-104-302-124-312-142)257(447)341-173(98-200(300)387)261(451)343-175(100-219(414)415)237(427)308-109-207(394)318-177(102-221(418)419)262(452)337-166(91-139-38-27-26-28-39-139)255(445)327-155(62-75-214(404)405)245(435)325-159(66-79-218(412)413)251(441)360-226(133(18)25-2)285(475)366-84-36-44-190(366)275(465)329-157(64-77-216(408)409)246(436)324-156(63-76-215(406)407)247(437)336-167(92-140-46-50-143(377)51-47-140)256(446)333-163(88-127(7)8)252(442)332-161(287(477)478)58-71-196(296)383/h26-28,38-39,46-53,104,124-138,145-191,223-231,368-378H,24-25,29-37,40-45,54-103,105-123,288-291H2,1-23H3,(H2,292,379)(H2,293,380)(H2,294,381)(H2,295,382)(H2,296,383)(H2,297,384)(H2,298,385)(H2,299,386)(H2,300,387)(H2,301,388)(H,302,312)(H,303,423)(H,304,425)(H,305,424)(H,306,426)(H,307,428)(H,308,427)(H,309,429)(H,310,430)(H,311,467)(H,313,389)(H,314,392)(H,315,391)(H,316,390)(H,317,393)(H,318,394)(H,319,395)(H,320,396)(H,321,433)(H,322,448)(H,323,459)(H,324,436)(H,325,435)(H,326,449)(H,327,445)(H,328,464)(H,329,465)(H,330,471)(H,331,466)(H,332,442)(H,333,446)(H,334,450)(H,335,460)(H,336,437)(H,337,452)(H,338,458)(H,339,431)(H,340,434)(H,341,447)(H,342,456)(H,343,451)(H,344,457)(H,345,470)(H,346,472)(H,347,473)(H,348,439)(H,349,438)(H,350,432)(H,351,440)(H,352,444)(H,353,443)(H,354,453)(H,355,468)(H,356,397)(H,357,455)(H,358,461)(H,359,462)(H,360,441)(H,361,422)(H,362,454)(H,363,463)(H,364,469)(H,398,399)(H,400,401)(H,402,403)(H,404,405)(H,406,407)(H,408,409)(H,410,411)(H,412,413)(H,414,415)(H,416,417)(H,418,419)(H,420,421)(H,477,478)/t132-,133-,134+,135+,136+,137+,138+,145-,146-,147-,148-,149-,150-,151-,152-,153-,154-,155-,156-,157-,158-,159-,160-,161-,162-,163-,164-,165-,166-,167-,168-,169-,170-,171-,172-,173-,174-,175-,176-,177-,178-,179-,180-,181-,182-,183-,184-,185-,186-,187-,188-,189-,190-,191-,223-,224-,225-,226-,227-,228-,229-,230-,231-/m0/s1
InChIKey FIBJDTSHOUXTKV-BRHMIFOHSA-N
SMILES C(N1[C@H](C(N[C@H](C(N2[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](CC(=O)O)C(NCC(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N3[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(N[C@H](C(=O)O)CCC(=O)N)=O)CC(C)C)=O)CC4=CC=C(O)C=C4)=O)CCC(=O)O)=O)CCC(=O)O)=O)CCC3)=O)[C@H](CC)C)=O)CCC(=O)O)=O)CCC(=O)O)=O)CC=5C=CC=CC5)=O)CC(=O)O)=O)=O)=O)CC(=O)N)=O)CC=6N=CNC6)=O)CO)=O)CCC(=O)N)=O)CCC2)=O)CCCCN)=O)CCC1)([C@@H](NC(=O)CNC([C@@H](NC(=O)CNC([C@@H](NC([C@@H](NC([C@H]7NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC(CNC([C@@H](NC([C@@H](NC(CNC([C@@H](NC([C@@H](NC([C@H]8NC([C@@H](NC([C@@H](NC(CNC([C@@H](NC(CNC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC(CNC([C@@H](NC([C@@H](NC([C@@H](NC([C@H]9NC([C@@H](NC([C@@H](NC([C@@H](NC(CNC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CSSC9)NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CC(C)C)N)=O)[C@H](O)C)=O)CC%10=CC=C(C=C%10)O)=O)[C@H](O)C)=O)CC(=O)O)=O)=O)[C@H](O)C)=O)CCC(=O)O)=O)CO)=O)=O)CCC(=O)N)=O)CC(=O)N)=O)CC(C)C)=O)=O)CC(C)C)=O)CSSC8)=O)CCC(=O)O)=O)=O)CO)=O)CC(=O)N)=O)C(C)C)=O)CSSC7)=O)=O)CCC(=O)N)=O)=O)CC(=O)N)=O)CCCCN)=O)=O)[C@H](CC)C)=O)CC(C)C)=O)=O)CO)=O)CC(=O)O)=O)=O)CCC(=O)O)=O)CCCCN)=O)CC(=O)N)=O)CCC(=O)N)=O)=O)C(C)C)=O)[C@H](O)C)=O)CCC(=O)O)=O)[C@H](O)C)=O
Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Biological Role(s): EC 3.4.21.5 (thrombin) inhibitor
An EC 3.4.21.* (serine endopeptidase) inhibitor that interferes with the action of thrombin (EC 3.4.21.5).
Application(s): anticoagulant
An agent that prevents blood clotting.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing lepirudin (CHEBI:142437) has role anticoagulant (CHEBI:50249)
lepirudin (CHEBI:142437) has role EC 3.4.21.5 (thrombin) inhibitor (CHEBI:65232)
lepirudin (CHEBI:142437) is a heterodetic cyclic peptide (CHEBI:24533)
lepirudin (CHEBI:142437) is a organic disulfide (CHEBI:35489)
lepirudin (CHEBI:142437) is a polypeptide (CHEBI:15841)
IUPAC Name
L-leucyl-L-threonyl-L-tyrosyl-L-threonyl-L-α-aspartyl-L-cysteinyl-L-threonyl-L-α-glutamyl-L-seryl-glycyl-L-glutaminyl-L-asparagyl-L-leucyl-L-cysteinyl-L-leucyl-L-cysteinyl-L-α-glutamyl-glycyl-L-seryl-L-asparagyl-L-valyl-L-cysteinyl-glycyl-L-glutaminyl-glycyl-L-asparagyl-L-lysyl-L-cysteinyl-L-isoleucyl-L-leucyl-glycyl-L-seryl-L-α-aspartyl-glycyl-L-α-glutamyl-L-lysyl-L-asparagyl-L-glutaminyl-L-cysteinyl-L-valyl-L-threonyl-glycyl-L-α-glutamyl-glycyl-L-threonyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-seryl-L-histidyl-L-asparagyl-L-α-aspartyl-glycyl-L-α-aspartyl-L-phenylalanyl-L-α-glutamyl-L-α-glutamyl-L-isoleucyl-L-prolyl-L-α-glutamyl-L-α-glutamyl-L-tyrosyl-L-leucyl-L-glutamine (6→14),(16→28),(22→39)-tris(disulfide)
Synonyms Sources
1-Leu-2-Thr-63-desulfohirudin ChemIDplus
[Leu1, Thr2]-63-desulfohirudin ChEBI
H-Leu-Thr-Tyr-Thr-Asp-Cys(1)-Thr-Glu-Ser-Gly-Gln-Asn-Leu-Cys(1)-Leu-Cys(2)-Glu-Gly-Ser-Asn-Val-Cys(3)-Gly-Gln-Gly-Asn-Lys-Cys(2)-Ile-Leu-Gly-Ser-Asp-Gly-Glu-Lys-Asn-Gln-Cys(3)-Val-Thr-Gly-Glu-Gly-Thr-Pro-Lys-Pro-Gln-Ser-His-Asn-Asp-Gly-Asp-Phe-Glu-Glu-Ile-Pro-Glu-Glu-Tyr-Leu-Gln-OH ChEBI
Hbw 023 ChemIDplus
Hbw-023 ChemIDplus
hirudin variant-1 DrugBank
lepirudin ChemIDplus
lepirudin (rDNA) ChEBI
lepirudin recombinant ChemIDplus
LTYTDCTESGQNLCLCEGSNVCGQGNKCILGSDGEKNQCVTGEGTPKPQSHNDGDFEEIPEEYLQ ChEBI
LTYTDCTESGQNLCLCEGSNVCGQGNKCILGSDGEKNQCVTGEGTPKPQSHNDGDFEEIPEEYLQ (disulfide bridge: 6→14; 16→28; 22→39) ChEBI
NH2-LTYTDCTESGQNLCLCEGSNVCGQGNKCILGSDGEKNQCVTGEGTPKPQSHNDGDFEEIPEEYLQ-OH ChEBI
Brand Name Source
Refludan KEGG DRUG
Manual Xrefs Databases
118856773 Pubchem accession
2995 DrugCentral
D06880 KEGG DRUG
DB00001 DrugBank
Lepirudin Wikipedia
View more database links
Registry Numbers Types Sources
138068-37-8 CAS Registry Number KEGG DRUG
138068-37-8 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
15280202 PubMed citation Europe PMC
19707378 PubMed citation Europe PMC
22234363 PubMed citation Europe PMC
28600720 PubMed citation Europe PMC
29426286 PubMed citation Europe PMC
8211886 PubMed citation Europe PMC
Last Modified
22 October 2018