Record Information |
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Version | 2.0 |
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Created at | 2005-11-16 15:48:42 UTC |
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Updated at | 2024-09-03 04:16:53 UTC |
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NP-MRD ID | NP0001062 |
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Natural Product DOI | https://doi.org/10.57994/0846 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | Creatine |
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Description | Creatine, is a naturally occurring non-protein compound. It belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. Creatine is found in all vertebrates where it facilitates recycling of adenosine triphosphate (ATP). Its primary metabolic role is to combine with a phosphoryl group, via the enzyme creatine kinase, to generate phosphocreatine, which is used to regenerate ATP. Most of the human body's total creatine and phosphocreatine stores are found in skeletal muscle (95%), while the remainder is distributed in the blood, brain, testes, and other tissues. Creatine is not an essential nutrient as it is naturally produced in the human body from the amino acids glycine and arginine, with an additional requirement for methionine to catalyze the transformation of guanidinoacetate to creatine. In the first step of its biosynthesis glycine and arginine are combined by the enzyme arginine:Glycine amidinotransferase (AGAT) to form guanidinoacetate, which is then methylated by guanidinoacetate N-methyltransferase (GAMT), using S-adenosyl methionine as the methyl donor. Creatine can also be obtained through the diet at a rate of about 1 gram per day from an omnivorous diet. A cyclic form of creatine, called creatinine, exists in equilibrium with its tautomer and with creatine. Clinically, there are three distinct disorders of creatine metabolism. Deficiencies in the two synthesis enzymes (AGAT and GAMT) can cause L-arginine:Glycine amidinotransferase deficiency (caused by variants in AGAT) and guanidinoacetate methyltransferase deficiency (caused by variants in GAMT). Both disorders are inherited in an autosomal recessive manner. A third defect, creatine transporter defect, is caused by mutations in SLC6A8 and inherited in a X-linked manner. Creatine is widely used as a supplement by athletes. Its use can increase maximum power and performance in high-intensity anaerobic repetitive work (periods of work and rest) by 5 to 15% (PMID: 24688272 ). Creatine has no significant effect on aerobic endurance, although it will increase power during short sessions of high-intensity aerobic exercise (PMID: 9662683 ). |
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Structure | InChI=1S/C4H9N3O2/c1-7(4(5)6)2-3(8)9/h2H2,1H3,(H3,5,6)(H,8,9) |
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Synonyms | Value | Source |
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((Amino(imino)methyl)(methyl)amino)acetic acid | ChEBI | (alpha-Methylguanido)acetic acid | ChEBI | (N-Methylcarbamimidamido)acetic acid | ChEBI | alpha-Methylguanidino acetic acid | ChEBI | Creatin | ChEBI | Kreatin | ChEBI | Methylglycocyamine | ChEBI | N-(Aminoiminomethyl)-N-methylglycine | ChEBI | N-[(e)-AMINO(imino)methyl]-N-methylglycine | ChEBI | N-Amidinosarcosine | ChEBI | N-Carbamimidoyl-N-methylglycine | ChEBI | N-Methyl-N-guanylglycine | ChEBI | ((Amino(imino)methyl)(methyl)amino)acetate | Generator | (a-Methylguanido)acetate | Generator | (a-Methylguanido)acetic acid | Generator | (alpha-Methylguanido)acetate | Generator | (Α-methylguanido)acetate | Generator | (Α-methylguanido)acetic acid | Generator | (N-Methylcarbamimidamido)acetate | Generator | a-Methylguanidino acetate | Generator | a-Methylguanidino acetic acid | Generator | alpha-Methylguanidino acetate | Generator | Α-methylguanidino acetate | Generator | Α-methylguanidino acetic acid | Generator | Cosmocair C 100 | HMDB | Creatine hydrate | HMDB | Krebiozon | HMDB | Methylguanidoacetate | HMDB | Methylguanidoacetic acid | HMDB | N-(Aminoiminomethyl)-N-methyl-glycine | HMDB | Phosphagen | HMDB | [[Amino(imino)methyl](methyl)amino]acetate | HMDB | [[Amino(imino)methyl](methyl)amino]acetic acid | HMDB |
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Chemical Formula | C4H9N3O2 |
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Average Mass | 131.1332 Da |
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Monoisotopic Mass | 131.06948 Da |
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IUPAC Name | 2-(N-methylcarbamimidamido)acetic acid |
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Traditional Name | creatine |
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CAS Registry Number | 57-00-1 |
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SMILES | CN(CC(O)=O)C(N)=N |
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InChI Identifier | InChI=1S/C4H9N3O2/c1-7(4(5)6)2-3(8)9/h2H2,1H3,(H3,5,6)(H,8,9) |
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InChI Key | CVSVTCORWBXHQV-UHFFFAOYSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, simulated) | Ahselim | | | 2022-01-19 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Not Available | Not Available | 2023-08-23 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | bgnzk@missouri.edu | Not Available | Not Available | 2023-08-23 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Predicted Spectra |
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| Not Available | Chemical Shift Submissions |
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| Not Available | Species |
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Species of Origin | |
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Species Where Detected | |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. |
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Kingdom | Organic compounds |
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Super Class | Organic acids and derivatives |
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Class | Carboxylic acids and derivatives |
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Sub Class | Amino acids, peptides, and analogues |
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Direct Parent | Alpha amino acids and derivatives |
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Alternative Parents | |
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Substituents | - Alpha-amino acid or derivatives
- Guanidine
- Carboximidamide
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Imine
- Carbonyl group
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | |
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Physical Properties |
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State | Solid |
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Experimental Properties | |
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Predicted Properties | |
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- Burke DG, Chilibeck PD, Parise G, Tarnopolsky MA, Candow DG: Effect of alpha-lipoic acid combined with creatine monohydrate on human skeletal muscle creatine and phosphagen concentration. Int J Sport Nutr Exerc Metab. 2003 Sep;13(3):294-302. [PubMed:14669930 ]
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- Hespel P, Op't Eijnde B, Van Leemputte M, Urso B, Greenhaff PL, Labarque V, Dymarkowski S, Van Hecke P, Richter EA: Oral creatine supplementation facilitates the rehabilitation of disuse atrophy and alters the expression of muscle myogenic factors in humans. J Physiol. 2001 Oct 15;536(Pt 2):625-33. [PubMed:11600695 ]
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- Liu Y, Xia P, Cao W, Liu Z, Ma J, Zheng K, Chen L, Li X, Qin Y, Li X: Divergence between serum creatine and cystatin C in estimating glomerular filtration rate of critically ill COVID-19 patients. Ren Fail. 2021 Dec;43(1):1104-1114. doi: 10.1080/0886022X.2021.1948428. [PubMed:34238117 ]
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