RCSB - Ligand Summary Page

Chemical Component Summary
Name	CITRIC ACID
Identifiers	2-hydroxypropane-1,2,3-tricarboxylic acid
Formula	C₆ H₈ O₇
Molecular Weight	192.12 g/mol
Type	NON-POLYMER
Isomeric SMILES	OC(=O)CC(O)(CC(O)=O)C(O)=O
InChI	InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
InChIKey	KRKNYBCHXYNGOX-UHFFFAOYSA-N

Chemical Details
Formal Charge	0
Atom Count	21
Chiral Atom Count	0
Chiral Atoms	n/a
Bond Count	20
Aromatic Bond Count	0
Leaving Atoms	n/a

Drug Info: DrugBank

DrugBank ID	DB04272 Stereoisomeric match
Name	Citric Acid
Groups	nutraceutical vet_approved
Description	A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability. [PubChem]
Synonyms	2-Hydroxytricarballylic acid 3-Carboxy-3-hydroxypentane-1,5-dioic acid 3-Carboxy-3-hydroxypentane-1,5-dioic acid Citronensäure
Salts	Citric acid monohydrate
Brand Names	Acd A Acd Blood-pack Units (pl 146 Plastic) Acd Solution Modified Acd-A Alka Seltzer Alka Seltzer Evt Alka Seltzer Flavoured Alka Seltzer Original Alka-seltzer Alka-seltzer Extra Strength Alka-seltzer Flavoured Alka-seltzer Flavoured - Evt Alka-seltzer Gold Alka-seltzer Heartburn Alka-seltzer Lemon Lime Alka-seltzer Original Alka-seltzer Xtra Strength All-natural Pen Spray Anticoagulant Citrate Dextrose A Anticoagulant Citrate Dextrose A Acd-A Anticoagulant Citrate Phosphate Dextrose (cpd) Blood-pack Units In Pl 146 Plastic As 3 Bdr Re-action Natural Low Base Skin Refiner Exfoliation Essence Bicaruvas Bromo Seltzer Citracleen Citrocarbonate Eff Pws Cpd Cpda-1 Cpda-1 Blood Collection System Cytra-K Crystals Effervescent Antacid and Pain Relief Effervescent Pain Relief Effervescent Pain Relief Fast Relief Effervescent Pain Relief Fast Relief Fast Relief Enlyte Haemonetics Additive Solution Formula 3 (as-3) Haemonetics Anticoagulant Citrate Dextrose Solution Haemonetics Anticoagulant Citrate Phosphate Double Dextrose Solution (cp2d) Hand Sanitizer Hand Washing Heparin Sodium 1000units In 0.9% Sodium Chloride Injection USP Leukotrap Wb System Lytren Rhs Liq Medique Medi Seltzer Neutra-seltzer Nutricel Additive System - As-3 Nutricel Additive System - Cp2d Oracit Oral Purgative Pain Relief Fast Relief Pico-salax Picodan Picoflo Picot Plus Effervescent Potassium Citrate Citric Acid Crystals Potassium Citrate and Citric Acid Potassium Citrate-citric Acid Potassium Citrate-sodium Citrate-citric Acid Premier Value Antacid and Pain Relief Medicine Prepopik Purg-odan Renacidin Riga Purgative Lemon Flav Liq Sal De Uvas Picot Sodium Citrate and Citric Acid Sodium Citrate-citric Acid Sterile Cord Blood Collection Unit Sterile Cord Blood Collection Unit (msc1207dd) Stop Hair Teruflex Blood Bag System Anticoagulant Citrate Phosphate Dextrose Adenine (cpda-1) Top Value Effervescent Pain Relief Tricitrates Urologic G Half Strength for Irrigation Urologic G for Irrigation Urologic Sol
Affected Organism	Humans and other mammals
Route of administration	Extracorporeal Intravenous Irrigation Irrigation; Topical Oral Topical
Categories	Acid Preparations Acids, Acyclic Alimentary Tract and Metabolism Anticoagulants Calcium Chelating Agents Carboxylic Acids Chelating Agents Chemical Actions and Uses Citrates Digestives, Incl. Enzymes Hematologic Agents Molecular Mechanisms of Pharmacological Action Organic Chemicals Pharmacologic Actions Sequestering Agents Specialty Uses of Chemicals Therapeutic Uses Tricarboxylic Acids
ATC-Code	A09AB04
CAS number	77-92-9

Drug Targets

Name	Sequence Search	Pharmacological Action
Carboxypeptidase B	MLALLVLVTVALASAHHGGEHFEGEKVFRVNVEDENHINIIRELASTTQI...	unknown
Putative stringent starvation protein A	MAVAANKRSVMTLFSGPTDIFSHQVRIVLAEKGVSVEIEQVEADNLPQDL...	unknown
Citrate synthase, mitochondrial	MALLTAAARLLGTKNASCLVLAARHASASSTNLKDILADLIPKEQARIKT...	unknown
Beta-lactamase 2	MKKNTLLKVGLCVGLLGTIQFVSTISSVQASQKVEKTVIKNETGTISISQ...	unknown
Adenine phosphoribosyltransferase	MADSELQLVEQRIRSFPDFPTPGVVFRDISPVLKDPASFRAAIGLLARHL...	unknown
Heparan sulfate glucosamine 3-O-sulfotransferase 3A1	MAPPGPASALSTSAEPLSRSIFRKFLLMLCSLLTSLYVFYCLAERCQTLS...	unknown
Nicotinate-nucleotide adenylyltransferase	MKSLQALFGGTFDPVHYGHLKPVETLANLIGLTRVTIIPNNVPPHRPQPE...	unknown
Laccase domain protein YfiH	MSKLIVPQWPQPKGVAACSSTRIGGVSLPPYDSLNLGAHCGDNPDHVEEN...	unknown
Hepatocyte growth factor-regulated tyrosine kinase substrate	MGRGSGTFERLLDKATSQLLLETDWESILQICDLIRQGDTQAKYAVNSIK...	unknown
Glucose-1-phosphate thymidylyltransferase	MKRKGIILAGGSGTRLHPATLAISKQLLPVYDKPMIYYPLSTLMLAGIRE...	unknown
Proto-oncogene tyrosine-protein kinase Src	MGSNKSKPKDASQRRRSLEPAENVHGAGGGAFPASQTPSKPASADGHRGP...	unknown
Riboflavin biosynthesis protein	MVVSIGVFDGVHIGHQKVLRTMKEIAFFRKDDSLIYTISYPPEYFLPDFP...	unknown
2-methylcitrate synthase	MTEPTIHKGLAGVTADVTAISKVNSDTNSLLYRGYPVQELAAKCSFEQVA...	unknown
50S ribosomal protein L4	MAQVDLLNVKGEKVGTLEISDFVFNIDPNYDVMWRYVDMQLSNRRAGTAS...	unknown
Malate dehydrogenase, mitochondrial	MLSALARPASAALRRSFSTSAQNNAKVAVLGASGGIGQPLSLLLKNSPLV...	unknown
Eosinophil cationic protein	MVPKLFTSQICLLLLLGLMGVEGSLHARPPQFTRAQWFAIQHISLNPPRC...	unknown
Fe(3+)-binding periplasmic protein	MKLRISSLGPVALLASSMMLAFGAQAASADQGIVIYNAQHENLVKSWVDG...	unknown
Molybdenum cofactor guanylyltransferase	MNLMTTITGVVLAGGKARRMGGVDKGLLELNGKPLWQHVADALMTQLSHV...	unknown
U6 snRNA-associated Sm-like protein LSm6	MSLRKQTPSDFLKQIIGRPVVVKLNSGVDYRGVLACLDGYMNIALEQTEE...	unknown
Tryptophan synthase alpha chain	MTTLEAFAKARSEGRAALIPYLTAGFPSREGFLQAVEEVLPYADLLEIGL...	unknown
1-deoxy-D-xylulose 5-phosphate reductoisomerase	MKQLTILGSTGSIGCSTLDVVRHNPEHFRVVALVAGKNVTRMVEQCLEFS...	unknown
GMP synthase [glutamine-hydrolyzing]	MTENIHKHRILILDFGSQYTQLVARRVRELGVYCELWAWDVTEAQIRDFN...	unknown
Glyoxalase family protein	MAKNKLLRMDNVSIVVESLDNAISFFEEIGLNLEGRANVEGEWAGRVTGL...	unknown
Tryptophan--tRNA ligase	MKTIFSGIQPSGVITIGNYIGALRQFVELQHEYNCYFCIVDQHAITVWQD...	unknown
Ribonuclease pancreatic	MALEKSLVRLLLLVLILLVLGWVQPSLGKESRAKKFQRQHMDSDSSPSSS...	unknown
Isocitrate dehydrogenase [NADP]	MAQGEKITVSNGVLNVPNNPIIPFIEGDGTGPDIWNAASKVLEAAVEKAY...	unknown
Sialidase	MTANPYLRRLPRRRAVSFLLAPALAAATVAGASPAQAIAGAPVPPGGEPL...	unknown
Oxygen-insensitive NAD(P)H nitroreductase	MDIISVALKRHSTKAFDASKKLTPEQAEQIKTLLQYSPSSTNSQPWHFIV...	unknown
Short tail fiber protein gp12	MSNNTYQHVSNESRYVKFDPTDTNFPPEITDVQAAIAAISPAGVNGVPDA...	unknown
Tumor necrosis factor ligand superfamily member 13B	MDDSTEREQSRLTSCLKKREEMKLKECVSILPRKESPSVRSSKDGKLLAA...	unknown
Beta-fructosidase	MFKPNYHFFPITGWMNDPNGLIFWKGKYHMFYQYNPRKPEWGNICWGHAV...	unknown
Cell division protein FtsZ	MTPPHNYLAVIKVVGIGGGGVNAVNRMIEQGLKGVEFIAINTDAQALLMS...	unknown
Lysozyme	MKGKTAAGGGAICAIAVMITIVMGNGNVRTNQAGLELIGNAEGCRRDPYM...	unknown
L-amino-acid oxidase	MAPLALHLLVLVPILLSLVASQDWKAERSQDPFEKCMQDPDYEQLLKVVT...	unknown
Aldose reductase	MASRLLLNNGAKMPILGLGTWKSPPGQVTEAVKVAIDVGYRHIDCAHVYQ...	unknown
Beta-lactamase	MKLWFSTLKLKKAAAVLLFSCVALAGCANNQTNASQPAEKNEKTEMKDDF...	unknown
Glycerol uptake operon antiterminator regulatory protein	MFKGIIAALWDMDSIGEIEPDVVFLLKSDILNLKFHLKILKDRGKTVFVD...	unknown
N utilization substance protein B homolog	MKTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRY...	unknown
Angiogenin	MVMGLGVLLLVFVLGLGLTPPTLAQDNSRYTHFLTQHYDAKPQGRDDRYC...	unknown
6-phosphogluconolactonase	MEKTVIYLLEDGYVDFVVEKIRTKMEKLLEEKDKIFVVLAGGRTPLPVYE...	unknown
Prostaglandin F synthase	MALTQSLKLSNGVMMPVLGFGMWKLQDGNEAETATMWAIKSGYRHIDTAA...	unknown
Citrate synthase	MEVARGLEGVLFTESRMCYIDGQQGKLYYYGIPIQELAEKSSFEETTFLL...	unknown
N5-carboxyaminoimidazole ribonucleotide mutase	MSETAPLPSASSALEDKAASAPVVGIIMGSQSDWETMRHADALLTELEIP...	unknown
Glycine N-methyltransferase	MVDSVYRTRSLGVAAEGLPDQYADGEAARVWQLYIGDTRSRTAEYKAWLL...	unknown
Uridine-cytidine kinase 2	MAGDSEQTLQNHQQPNGGEPFLIGVSGGTASGKSSVCAKIVQLLGQNEVD...	unknown
Hexon protein	MATPSMMPQWSYMHISGQDASEYLSPGLVQFARATETYFSLNNKFRNPTV...	unknown
Macrophage migration inhibitory factor	MPMFIVNTNVPRASVPDGFLSELTQQLAQATGKPPQYIAVHVVPDQLMAF...	unknown
Betaine--homocysteine S-methyltransferase 1	MPPVGGKKAKKGILERLNAGEIVIGDGGFVFALEKRGYVKAGPWTPEAAV...	unknown
3-carboxy-cis,cis-muconate cycloisomerase	MTNQLFDAYFTAPAMREIFSDRGRLQGMLDFEAALARAEAAAGLVPHSAV...	unknown
cGMP-specific 3',5'-cyclic phosphodiesterase	MERAGPSFGQQRQQQQPQQQKQQQRDQDSVEAWLDDHWDFTFSYFVRKAT...	unknown
RNA 3'-terminal phosphate cyclase	MKRMIALDGAQGEGGGQILRSALSLSMITGQPFTITSIRAGRAKPGLLRQ...	unknown
Complement component C8 gamma chain	MLPPGTATLLTLLLAAGSLGQKPQRPRRPASPISTIQPKANFDAQQFAGT...	unknown
Signal recognition particle receptor FtsY	MGLFDFLKKGLQKTKETFFGRVVKLLKGKKLDDETREELEELLIQADVGV...	unknown
Pleckstrin homology domain-containing family A member 1	MPYVDRQNRICGFLDIEENENSGKFLRRYFILDTREDSFVWYMDNPQNLP...	unknown
Gag-Pro-Pol polyprotein	MEAVIKVISSACKTYCGKISPSKKEIGAMLSLLQKEGLLMSPSDLYSPGS...	unknown
Invasin	MVFQPISEFLLIRNAGMSMYFNKIISFNIISRIVICIFLICGMFMAGASE...	unknown
Intron-associated endonuclease 1	MKSGIYQIKNTLNNKVYVGSAKDFEKRWKRHFKDLEKGCHSSIKLQRSFN...	unknown
Glutamine synthetase 1	MTEKTPDDVFKLAKDEKVEYVDVRFCDLPGIMQHFTIPASAFDKSVFDDG...	unknown
Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1	MDSSAVITQISKEEARGPLRGKGDQKSAASQKPRSRGILHSLFCCVCRDD...	unknown
Ribonucleoside-diphosphate reductase subunit beta	MLTGKMKLIDRVSAINWNWLQDDKDAEVWDRLTGNFWLPEKVPVSNDLPS...	unknown
KHG/KDPG aldolase	MKNWKTSAESILTTGPVVPVIVVKKLEHAVPMAKALVAGGVRVLEVTLRT...	unknown
Fumarate hydratase class II	MNTVRSEKDSMGAIDVPADKLWGAQTQRSLEHFRISTEKMPTSLIHALAL...	unknown
Cytochrome c peroxidase	DNLMERANSMFEPIPKYPPVIDGNELTQAKVELGKMEFFEPRLSSSHLIS...	unknown
Pyruvate decarboxylase	MSYTVGTYLAERLVQIGLKHHFAVAGDYNLVLLDNLLLNKNMEQVYCCNE...	unknown
Ribose-5-phosphate isomerase A	MNQLEMKKLAAQAALQYVKADTIVGVGSGSTVNCFIEALGTIKDKIQGAV...	unknown
Inosine triphosphate pyrophosphatase	MAASLVGKKIVFVTGNAKKLEEVVQILGDKFPCTLVAQKIDLPEYQGEPD...	unknown
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Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

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CITRIC ACID

Chemical Component Summary

Chemical Details

Drug Info: DrugBank

Drug Targets