CIT

CITRIC ACID

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is present as a standalone ligand in 1,470 entries

as a non-polymer is covalently linked to polymer or other heterogen groups 13 entries

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Chemical Component Summary
Name	CITRIC ACID
Identifiers	2-hydroxypropane-1,2,3-tricarboxylic acid
Formula	C₆ H₈ O₇
Molecular Weight	192.124
Type	NON-POLYMER
Isomeric SMILES	C(C(=O)O)C(CC(=O)O)(C(=O)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
Bond Count	20
Aromatic Bond Count	0

Drug Info: DrugBank

DrugBank ID	DB04272
Name	Citric acid
Groups	approved vet_approved nutraceutical
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. Citric acid is one of the active ingredients in Phexxi, a non-hormonal contraceptive agent that was approved by the FDA on May 2020.[L14120] It is also used in combination with magnesium oxide to form magnesium citrate, an osmotic laxative.[L43832]
Synonyms	Citronensäure Citric acid monoglyceride Citric acid,anhydrous 2-Hydroxytricarballylic acid Citric acid 2-hydroxy-1,2,3-propanetricarboxyic acid Citric acid monohydrate Acidum citricum 3-carboxy-3-hydroxypentane-1,5-dioic acid Citric acid, anhydrous Anhydrous citric acid ácido cítrico
Brand Names	Heparin Sodium In 5% Dextrose Injection, 25000unit/500ml Phexxi Oral Purgative Hemosate Ultra Hs0125 Cpd Hemosate Ultra Hs3125 Picot Plus Effervescent Disinfect Wipes Meijer Effervescent Antacid and Pain Relief Quality Choice Effervescent Antacid and Pain Relief Green Fresh Av100 Cytra-2 Alka-seltzer Original Good Sense Effervescent Antacid and Pain Relief Anticoagulant Citrate Dextr Sol Formula A USP Hemosate Ultra Hs3150 Stop Hair Potassium Citrate Citric Acid Crystals Anticoagulant Citrate Dextrose Solution USP (acd) Formula B Potassium Citrate, Sodium Citrate, and Citric Acid Hemosate Ultra Hs2150 Cytra-K Walgreens Antacid Pain Relief Extra Strength TERUFLEX Blood Bag System with Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Sodium Citrate and Citric Acid Alka Seltzer Original Cytra 3 TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose Adenine (CPDA-1) Prepopik Adsol Red Cell Preservation Hemosate Ultra Hs4125 Hemosate Ultra Hs1125 Citrasate C2150 Anticoagulant Cit Phos Dex Adenine Sol USP Zee-Seltzer Antacid and Pain Reliever Premier Value Antacid and Pain Relief Medicine Citric Acid Alka-Seltzer Gold Hemosate Ultra Hs1150 Sterile Cord Blood Collection Unit (MSC128D) Hand Sanitizer IMUFLEX WB-RP Blood Bag System with Integral Whole Blood Leukocyte Reduction Filter (Removing Platelets) with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Effervescent Pain Relief IMUFLEX WB-SP Blood Bag System with Integral Whole Blood Leukocyte Reduction Filter (Saving Platelets) with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) and OPTISOL (AS-5) Red Cell Preservative Hemasate Ultra Hs4125 Alka-Seltzer Best Choice Effervescent Antacid Pain Relief Citrasate C3125 Cloon Stick Equaline Effervescent Antacid and Pain Relief Renacidin Family Wellness Effervescent Antacid and Pain Relief Hemasate Ultra Hs3150 Sanitize/Disinfect Wipes Virtrate-3 Cygzyme Dr. Juans Santo Remedio PARA LA ACIDEZ Smart Sense Effervescent Antacid and Pain Relief CPDA-1 Blood Collection System Heparin Sodium In 0.9% Sodium Chloride Injection Sodium Citrate-Citric Acid Aquacetic-30 Hemasate Ultra Hs1125 Hemasate Ultra Hs0125 Iypoly CVS Health Antacid and Pain Reliever Alka-Seltzer Original Anticoagulant Solution Citrate Phosphate Dextrose (CPD) Signature Care Effervescent Antacid and Pain Relief Leader Effervescent Antacid and Pain Relief Picodan Anticoagulant Citrate Dextrose Solution-A Anticoagulant Citrate Dextrose Solution USP (acd) Formula A E-Z-gas II Hemosate Ultra Hs2125 Acd A Urologic G for Irrigation bdr Re-action natural low base skin refiner exfoliation essence Family Care Effervescent Antacid and Pain Relief Vida Mia Pain Relief Rite Aid Antacid and Pain Relief Potassium Citrate-Sodium Citrate-Citric Acid Urologic Solution G Pall Sterile Cord Blood Collection Unit As 3 Freds Effervescent Antacid Pain Relief Citrasate C4125 Lytren Rhs Liq Potassium Citrate and Citric Acid Alka-seltzer Flavoured Drug Mart Effervescent Pain Relief Citrasate C1125 CVS Health Extra Strength Antacid and Pain Reliever Alka-seltzer Flavoured - Evt BioShield 99 Effervescent Pain Relief Fast Relief Fast Relief Imuflex Wb-SP Blood Bag System With Integral Whole Blood Leukocyte Reduction Filter (saving Platelets) With Diversion Blood Sampling Arm Care One Original Antacid and Pain Relief Sal De Uvas Picot Cpd Adenine Cpda 1 Effervescent Pain Relief Fast Relief Alka Seltzer Flavoured Haemonetics Anticoagulant Citrate Phosphate Double Dextrose Solution (CP2D) Citrasate C0125 Lot Riga Purgative Lemon Flav Liq Publix Fast Relief Effervescent Haemonetics Anticoagulant Citrate Dextrose Solution Enl Leukotrap WB System Bicaruvas Alka Seltzer Evt Nutricel Additive System - CP2D Sterile Cord Blood Collection Unit (MSC127D) PramLyte Anticoagulant Citrate Phosphate Dextrose (CPD) Blood-Pack Units in PL 146 Plastic Kroger Effervescent Antacid and Pain Relief Leader Extra Strength Effervescent Antacid and Pain Reliever Haemonetics Additive Solution Formula 3 (AS-3) A-C-D Solution Virtrate-K Pain Relief Fast Relief IDkit HP ONE Hemasate Ultra Hs2125 KID-CLEAN Epiguard (Herbage Basis germ Growth InhibitsSolution) Potassium Citrate-Citric Acid Alka Seltzer Medique Medi Seltzer Reveos Select CPD/AS-5 Red Cell Preservative For Collection Of Blood ACD Solution Modified Anticoagulant Citrate Dextrose A ACD-A Puralor Citrasate C2125 Hemasate Ultra Hs2150 Picoflo Hemasate Ultra Hs3125 Citrocarbonate Eff Pws Citracleen Walgreens Effervescent Pain Relief Alka-Seltzer XTRA STRENGTH Sterile Cord Blood Collection Unit Citrasate C10125 ADSOL Red Cell Preservation Solution System in Plastic Container (PL 146 Plastic) B100 Alka-Seltzer Extra Strength Hand Washing ACD Blood-Pack Units (PL 146 Plastic) Alka-Seltzer Heartburn Relief Lemon Lime Surface Cleaner Alka-Seltzer Heartburn Relief Extra Strength Oracit Neutra-seltzer CPD Solution HEB Extra Strength Effervescent Antacid and Pain Relief Citric Acid Wipes Anticoagulant Citrate Dextrose (ACD-A) Sterile Cord Blood Collection Unit (msc123d) Citrasate C3150 Sodium Picosulfate, Magnesium Oxide and Anhydrous Citric Acid All-Natural Pen Spray Equate Effervescent Antacid and Pain Relief Surface Wipes TERUFLEX Blood Bag System with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Quality Choice Extra Strength Effervescent Antacid and Pain Relief EnLyte Av-1000 Virtrate-2 Up and Up Antacid and Pain Relief Citrasate C1150 WinCo Foods Effervescent Antacid and Pain Relief DG Health Effervescent Antacid and Pain Relief CPD/ADSOL Red Cell Preservation Solution System (PL 2209) Alka-Seltzer Heartburn Alka Seltzer Originial 1s Blister Pack HyVee Health Effervescent Antacid and Pain Relief Additive Solution Formula 3 As-3 Acd-A Lysol Simply Disinfectant All Purpose Cleaner Fluad Tetra Blood Pack Unit Cpd Sal de Uvas Picot Purg-odan Whitening Lemon Peel Leucoflex CGP Hemasate Ultra Hs1150 Citric Buffered Normal Saline MTL1 Leucoflex Anticoagulant Citrate Dextrose A Bromo Seltzer Market Basket Effervescent Antacid and Pain Relief TopCare Effervescent Antacid and Pain Relief W.skin Treemon Cleansing Water Cpd/adsol Cytra-K Crystals Nature Clean Oral Citrate Solution Alka-Seltzer HEARTBURN Equate Extra Strength Effervescent Antacid and Pain Relief Lytren Citracid-50 Additive Formula 3 Purilab Bt100s TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL Red Cell Preservative Pico-salax Cpda-1 Clayr Top Value Effervescent Pain Relief Effervescent Antacid and Pain Relief Tricitrates Clenpiq Alka-Seltzer Lemon Lime
Categories	Acid Preparations Acidifying Activity Acids, Acyclic Alimentary Tract and Metabolism Calcium Chelating Activity Calcium Chelating Agents Calculi Dissolution Agent Chelating Agents Citrates Compounds used in a research, industrial, or household setting Decreased Coagulation Factor Activity Digestives, Incl. Enzymes Disinfectants (For Agents Used on Object) Hematologic Agents Organic Anion Transporting Polypeptide 2B1 Inhibitors Sequestering Agents Tricarboxylic Acids Urinary Acidifying Agents Urinary Alkalinisers
ATC-Code	A09AB04
CAS number	77-92-9

Drug Targets

Name	Target Sequence	Pharmacological Action	Actions
Metallo-beta-lactamase type 2	MELPNIMHPVAKLSTALAAALMLSGCMPGEIRPTIGQQMETGDQRFGDLV...	unknown	inhibitor
Aldose reductase	MASRLLLNNGAKMPILGLGTWKSPPGQVTEAVKVAIDVGYRHIDCAHVYQ...	unknown	inhibitor
Isocitrate dehydrogenase [NADP]	MAQGEKITVSNGVLNVPNNPIIPFIEGDGTGPDIWNAASKVLEAAVEKAY...	unknown	substrate,inhibitor
Beta-lactamase	MKLWFSTLKLKKAAAVLLFSCVALAGCANNQTNASQPAEKNEKTEMKDDF...	unknown	weak inhibitor
Beta-lactamase 2	MKKNTLLKVGLCVGLLGTIQFVSTISSVQASQKVEKTVIKNETGTISISQ...	unknown
Citrate synthase, mitochondrial	MALLTAAARLLGTKNASCLVLAARHASASSTNLKDILADLIPKEQARIKT...	unknown
Proto-oncogene tyrosine-protein kinase Src	MGSNKSKPKDASQRRRSLEPAENVHGAGGGAFPASQTPSKPASADGHRGP...	unknown
Ribonuclease pancreatic	MALEKSLVRLLLLVLILLVLGWVQPSLGKESRAKKFQRQHMDSDSSPSSS...	unknown
Eosinophil cationic protein	MVPKLFTSQICLLLLLGLMGVEGSLHARPPQFTRAQWFAIQHISLNPPRC...	unknown
Fumarate hydratase class II	MNTVRSEKDSMGAIDVPADKLWGAQTQRSLEHFRISTEKMPTSLIHALAL...	unknown	inhibitor
6-phosphogluconolactonase	MEKTVIYLLEDGYVDFVVEKIRTKMEKLLEEKDKIFVVLAGGRTPLPVYE...	unknown
L-amino-acid oxidase	MAPLALHLLVLVPILLSLVASQDWKAERSQDPFEKCMQDPDYEQLLKVVT...	unknown
Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1	MDSSAVITQISKEEARGPLRGKGDQKSAASQKPRSRGILHSLFCCVCRDD...	unknown
Cytochrome c peroxidase	DNLMERANSMFEPIPKYPPVIDGNELTQAKVELGKMEFFEPRLSSSHLIS...	unknown
Hepatocyte growth factor-regulated tyrosine kinase substrate	MGRGSGTFERLLDKATSQLLLETDWESILQICDLIRQGDTQAKYAVNSIK...	unknown
Invasin	MVFQPISEFLLIRNAGMSMYFNKIISFNIISRIVICIFLICGMFMAGASE...	unknown
Intron-associated endonuclease 1	MKSGIYQIKNTLNNKVYVGSAKDFEKRWKRHFKDLEKGCHSSIKLQRSFN...	unknown
Short tail fiber protein	MSNNTYQHVSNESRYVKFDPTDTNFPPEITDVQAAIAAISPAGVNGVPDA...	unknown
Malate dehydrogenase, mitochondrial	MLSALARPASAALRRSFSTSAQNNAKVAVLGASGGIGQPLSLLLKNSPLV...	unknown
N5-carboxyaminoimidazole ribonucleotide mutase	MSETAPLPSASSALEDKAASAPVVGIIMGSQSDWETMRHADALLTELEIP...	unknown
50S ribosomal protein L4	MAQVDLLNVKGEKVGTLEISDFVFNIDPNYDVMWRYVDMQLSNRRAGTAS...	unknown
Carboxypeptidase B	MLALLVLVTVALASAHHGGEHFEGEKVFRVNVEDENHINIIRELASTTQI...	unknown
Hexon protein	MATPSMMPQWSYMHISGQDASEYLSPGLVQFARATETYFSLNNKFRNPTV...	unknown
Riboflavin biosynthesis protein RibF	MVVSIGVFDGVHIGHQKVLRTMKEIAFFRKDDSLIYTISYPPEYFLPDFP...	unknown
Beta-fructosidase	MFKPNYHFFPITGWMNDPNGLIFWKGKYHMFYQYNPRKPEWGNICWGHAV...	unknown
Putative stringent starvation protein A	MAVAANKRSVMTLFSGPTDIFSHQVRIVLAEKGVSVEIEQVEADNLPQDL...	unknown
Citrate synthase	MEVARGLEGVLFTESRMCYIDGQQGKLYYYGIPIQELAEKSSFEETTFLL...	unknown
RNA 3'-terminal phosphate cyclase	MKRMIALDGAQGEGGGQILRSALSLSMITGQPFTITSIRAGRAKPGLLRQ...	unknown
U6 snRNA-associated Sm-like protein LSm6	MSLRKQTPSDFLKQIIGRPVVVKLNSGVDYRGVLACLDGYMNIALEQTEE...	unknown
Pleckstrin homology domain-containing family A member 1	MPYVDRQNRICGFLDIEENENSGKFLRRYFILDTREDSFVWYMDNPQNLP...	unknown
Fe(3+)-binding periplasmic protein	MKLRISSLGPVALLASSMMLAFGAQAASADQGIVIYNAQHENLVKSWVDG...	unknown
Signal recognition particle receptor FtsY	MGLFDFLKKGLQKTKETFFGRVVKLLKGKKLDDETREELEELLIQADVGV...	unknown
Nicotinate-nucleotide adenylyltransferase	MKSLQALFGGTFDPVHYGHLKPVETLANLIGLTRVTIIPNNVPPHRPQPE...	unknown
N utilization substance protein B homolog	MKTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRY...	unknown
Complement component C8 gamma chain	MLPPGTATLLTLLLAAGSLGQKPQRPRRPASPISTIQPKANFDAQQFAGT...	unknown
Ribonucleoside-diphosphate reductase subunit beta	MLTGKMKLIDRVSAINWNWLQDDKDAEVWDRLTGNFWLPEKVPVSNDLPS...	unknown
Glutamine synthetase 1	MTEKTPDDVFKLAKDEKVEYVDVRFCDLPGIMQHFTIPASAFDKSVFDDG...	unknown
Citrate synthase	MTEPTIHKGLAGVTADVTAISKVNSDTNSLLYRGYPVQELAAKCSFEQVA...	unknown
Prostaglandin F synthase	MALTQSLKLSNGVMMPVLGFGMWKLQDGNEAETATMWAIKSGYRHIDTAA...	unknown
Adenine phosphoribosyltransferase	MADSELQLVEQRIRSFPDFPTPGVVFRDISPVLKDPASFRAAIGLLARHL...	unknown
Glucose-1-phosphate thymidylyltransferase	MKRKGIILAGGSGTRLHPATLAISKQLLPVYDKPMIYYPLSTLMLAGIRE...	unknown
Glyoxalase family protein	MAKNKLLRMDNVSIVVESLDNAISFFEEIGLNLEGRANVEGEWAGRVTGL...	unknown
Laccase domain protein YfiH	MSKLIVPQWPQPKGVAACSSTRIGGVSLPPYDSLNLGAHCGDNPDHVEEN...	unknown
Ribose-5-phosphate isomerase A	MNQLEMKKLAAQAALQYVKADTIVGVGSGSTVNCFIEALGTIKDKIQGAV...	unknown
GMP synthase [glutamine-hydrolyzing]	MTENIHKHRILILDFGSQYTQLVARRVRELGVYCELWAWDVTEAQIRDFN...	unknown
Inosine triphosphate pyrophosphatase	MAASLVGKKIVFVTGNAKKLEEVVQILGDKFPCTLVAQKIDLPEYQGEPD...	unknown
Lysozyme	MKGKTAAGGGAICAIAVMITIVMGNGNVRTNQAGLELIGNAEGCRRDPYM...	unknown
Glycerol uptake operon antiterminator regulatory protein	MFKGIIAALWDMDSIGEIEPDVVFLLKSDILNLKFHLKILKDRGKTVFVD...	unknown
3-carboxy-cis,cis-muconate cycloisomerase	MTNQLFDAYFTAPAMREIFSDRGRLQGMLDFEAALARAEAAAGLVPHSAV...	unknown
Pyruvate decarboxylase	MSYTVGTYLAERLVQIGLKHHFAVAGDYNLVLLDNLLLNKNMEQVYCCNE...	unknown
Solute carrier organic anion transporter family member 2B1	MGPRIGPAGEVPQVPDKETKATMGTENTPGGKASPDPQDVRPSVFHNIKL...	unknown	inhibitor
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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

Related Resource References

Resource Name	Reference
PubChem	88113319, 311, 19782904
ChEMBL	CHEMBL1261
ChEBI	CHEBI:30769
CCDC/CSD	CITARC01, CITRAC11, QIZTEB, KOVSOF, ZESMES, RUCFAX, CITRAC10, KIGKER, KIGKAN, MEBRUH, SIMXUK, CUYXUQ, CITARC, KOVDUW, HICZIF, EGUXAG, RUWGAS, XOBHIF, AMUBAM, LEWTAK, HICZIF01, QILWIU, RUCFEB, ICUFOE, KIGKER01, MIVHEF, IKEYOP, DAJYUM
COD	8100549, 2221193, 4501798, 7218809

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.

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CIT

CITRIC ACID

Chemical Component Summary

Chemical Details

Drug Info: DrugBank

Drug Targets

Related Resource References