CIT

CITRIC ACID

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is present as a standalone ligand in 1,443 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	vet_approved nutraceutical 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. 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	Citric acid Citronensäure Anhydrous citric acid 2-Hydroxytricarballylic acid Acidum citricum ácido cítrico 2-hydroxy-1,2,3-propanetricarboxyic acid Citric acid monohydrate Citric acid, anhydrous 3-carboxy-3-hydroxypentane-1,5-dioic acid Citric acid,anhydrous Citric acid monoglyceride
Brand Names	Citrasate C10125 TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL Red Cell Preservative Oracit Sterile Cord Blood Collection Unit (MSC128D) Citric Buffered Normal Saline 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 Lytren Rhs Liq Anticoagulant Citrate Dextrose A Reveos Select CPD/AS-5 Red Cell Preservative For Collection Of Blood Hemosate Ultra Hs3125 Urologic G for Irrigation Urologic Solution G Bromo Seltzer Hemasate Ultra Hs4125 Av100 Equate Extra Strength Effervescent Antacid and Pain Relief Acd A Alka Seltzer Original Cpda-1 Lot Nature Clean Anticoagulant Citrate Dextrose Solution-A Citric Acid Wipes Pico-salax Riga Purgative Lemon Flav Liq Alka-Seltzer Heartburn Sodium Picosulfate, Magnesium Oxide and Anhydrous Citric Acid Hemasate Ultra Hs2125 Smart Sense Effervescent Antacid and Pain Relief Picodan Sanitize/Disinfect Wipes Alka-seltzer Original Aquacetic-30 W.skin Treemon Cleansing Water ADSOL Red Cell Preservation Solution System in Plastic Container (PL 146 Plastic) Hemasate Ultra Hs1150 Heparin Sodium In 0.9% Sodium Chloride Injection Premier Value Antacid and Pain Relief Medicine Vida Mia Pain Relief Iypoly Anticoagulant Cit Phos Dex Adenine Sol USP Haemonetics Anticoagulant Citrate Dextrose Solution Good Sense Effervescent Antacid and Pain Relief Sal de Uvas Picot Best Choice Effervescent Antacid Pain Relief Enl Fluad Tetra Alka-Seltzer Oral Purgative Dr. Juans Santo Remedio PARA LA ACIDEZ Quality Choice Effervescent Antacid and Pain Relief Anticoagulant Citrate Dextrose Solution USP (acd) Formula B Citric Acid Purg-odan Whitening Lemon Peel Market Basket Effervescent Antacid and Pain Relief Hemasate Ultra Hs2150 Effervescent Pain Relief Fast Relief Fast Relief Tricitrates Cytra-K Crystals Family Wellness Effervescent Antacid and Pain Relief Green Fresh Hemosate Ultra Hs1150 PramLyte Lytren Rite Aid Antacid and Pain Relief Sodium Citrate and Citric Acid WinCo Foods Effervescent Antacid and Pain Relief Anticoagulant Citrate Dextrose A ACD-A BioShield 99 Alka-Seltzer Extra Strength Haemonetics Additive Solution Formula 3 (AS-3) Picoflo Potassium Citrate Citric Acid Crystals Alka-Seltzer HEARTBURN EnLyte Leader Extra Strength Effervescent Antacid and Pain Reliever Medique Medi Seltzer Hemosate Ultra Hs1125 Hemasate Ultra Hs3125 Hand Washing Effervescent Pain Relief Leader Effervescent Antacid and Pain Relief Citrasate C0125 CPD Solution Drug Mart Effervescent Pain Relief Signature Care Effervescent Antacid and Pain Relief Potassium Citrate-Citric Acid CVS Health Antacid and Pain Reliever Effervescent Pain Relief Fast Relief Alka-Seltzer Heartburn Relief Lemon Lime Hemasate Ultra Hs1125 Potassium Citrate and Citric Acid Stop Hair B100 Nutricel Additive System - CP2D Alka-seltzer Flavoured Anticoagulant Citrate Dextrose (ACD-A) Virtrate-K Alka-seltzer Flavoured - Evt HEB Extra Strength Effervescent Antacid and Pain Relief Additive Solution Formula 3 As-3 Equate Effervescent Antacid and Pain Relief Alka-Seltzer Gold bdr Re-action natural low base skin refiner exfoliation essence Equaline Effervescent Antacid and Pain Relief Hemosate Ultra Hs3150 Alka Seltzer Flavoured Virtrate-3 TERUFLEX Blood Bag System with Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Citrocarbonate Eff Pws Acd-A Phexxi Renacidin Leucoflex CGP Hemosate Ultra Hs2125 Alka Seltzer Originial 1s Blister Pack Picot Plus Effervescent Citrasate C3125 Clayr Anticoagulant Citrate Phosphate Dextrose (CPD) Blood-Pack Units in PL 146 Plastic CPDA-1 Blood Collection System E-Z-gas II Hemosate Ultra Hs0125 Bt100s Puralor Pain Relief Fast Relief Alka-Seltzer XTRA STRENGTH Citrasate C1150 Hemosate Ultra Hs4125 Citrasate C4125 CVS Health Extra Strength Antacid and Pain Reliever Walgreens Antacid Pain Relief Extra Strength Bicaruvas Neutra-seltzer Quality Choice Extra Strength Effervescent Antacid and Pain Relief Heparin Sodium In 5% Dextrose Injection, 25000unit/500ml HyVee Health Effervescent Antacid and Pain Relief Citrasate C2125 Adsol Red Cell Preservation Cytra-2 Meijer Effervescent Antacid and Pain Relief Potassium Citrate-Sodium Citrate-Citric Acid TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose Adenine (CPDA-1) Av-1000 Sodium Citrate-Citric Acid IDkit HP ONE Imuflex Wb-SP Blood Bag System With Integral Whole Blood Leukocyte Reduction Filter (saving Platelets) With Diversion Blood Sampling Arm A-C-D Solution Cytra-K DG Health Effervescent Antacid and Pain Relief Blood Pack Unit Cpd Cytra 3 Alka-Seltzer Original Additive Formula 3 Publix Fast Relief Effervescent TopCare Effervescent Antacid and Pain Relief Zee-Seltzer Antacid and Pain Reliever Leukotrap WB System ACD Solution Modified 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 ACD Blood-Pack Units (PL 146 Plastic) MTL1 Leucoflex Surface Wipes Top Value Effervescent Pain Relief Citrasate C1125 Citracid-50 Freds Effervescent Antacid Pain Relief Potassium Citrate, Sodium Citrate, and Citric Acid Up and Up Antacid and Pain Relief Cygzyme Anticoagulant Citrate Dextrose Solution USP (acd) Formula A TERUFLEX Blood Bag System with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Alka Seltzer Care One Original Antacid and Pain Relief Virtrate-2 Alka-Seltzer Lemon Lime Prepopik Citrasate C3150 Hemosate Ultra Hs2150 Family Care Effervescent Antacid and Pain Relief Surface Cleaner Anticoagulant Citrate Dextr Sol Formula A USP Hand Sanitizer Sterile Cord Blood Collection Unit Cloon Stick Lysol Simply Disinfectant All Purpose Cleaner Sterile Cord Blood Collection Unit (MSC127D) All-Natural Pen Spray KID-CLEAN Epiguard (Herbage Basis germ Growth InhibitsSolution) Cpd Alka Seltzer Evt Kroger Effervescent Antacid and Pain Relief Citrasate C2150 Anticoagulant Solution Citrate Phosphate Dextrose (CPD) Alka-Seltzer Heartburn Relief Extra Strength Effervescent Antacid and Pain Relief Pall Sterile Cord Blood Collection Unit Clenpiq Purilab Walgreens Effervescent Pain Relief Sterile Cord Blood Collection Unit (msc123d) Haemonetics Anticoagulant Citrate Phosphate Double Dextrose Solution (CP2D) CPD/ADSOL Red Cell Preservation Solution System (PL 2209) Oral Citrate Solution As 3 Cpd/adsol Hemasate Ultra Hs0125 Hemasate Ultra Hs3150 Citracleen Cpd Adenine Cpda 1 Sal De Uvas Picot Disinfect Wipes
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	19782904, 311, 88113319
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 National Science Foundation (DBI-1832184), 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 R01GM133198.

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CIT

CITRIC ACID

Chemical Component Summary

Chemical Details

Drug Info: DrugBank

Drug Targets

Related Resource References