Vitamin D, in general, is a secosteroid generated in the skin when 7-dehydrocholesterol located there interacts with ultraviolet irradiation - like that commonly found in sunlight [L5689]. Both the endogenous form of vitamin D (that results from 7-dehydrocholesterol transformation), vitamin D3 (cholecalciferol), and the plant-derived form, vitamin D2 (ergocalciferol), are considered the main forms of vitamin d and are found in various types of food for daily intake [L5689]. Structurally, ergocalciferol differs from cholecalciferol in that it possesses a double bond between C22 and C23 and has an additional methyl group at C24 [L5689]. Finally, ergocalciferol is pharmacologically less potent than cholecalciferol, which makes vitamin D3 the preferred agent for medical use [L5689]. Appropriate levels of vitamin D must be upheld in the body in order to maintain calcium and phosphorus levels in a healthy physiologic range to sustain a variety of metabolic functions, transcription regulation, and bone metabolism [A223, L5689, L1782, L5771, F4027, F4042, F4048]. However, studies are also ongoing to determine whether or not cholecalciferol may also play certain roles in cancer, autoimmune disorders, cardiovascular disease, and other medical conditions that may be associated with vitamin D deficiency [L5689].
Spectrum Performa Multivitamins and Minerals Tablets
Amladex
YYUX Organic Liquid Vitamin D3 Drops For Kids 4 plus years 600 IU
Chewable Multivitamins Plus Iron
Extra P.N. Vitamin-mineral Drink Mix
Usana Calmag Plus Tablets - Tab
Melittin Joint Soothing Ge
NataFort
Onyx
Multi-phyto Capsules
AxiFol
Select-OB Plus DHA Prenatal Supplement Plus DHA
Corvite Free
Multi Vitamin Plus Iron
Multinate DHA Extra
Vital-D Rx
Milk Calcium With Vitamins C, D, and Phosphorous
Vitamin D
Zintrexyl-C
Efferlife Multivitamins and Minerals
Vitrexyl
Marnatal F
D Caps 400 Units
Pretrate
Renate DHA
Osteo Formula Tab
WesCap-PN DHA
TL-Folate
Apo-alendronate/vitamin D3
Venexa
Ventrixyl
Multi Vitamins & Minerals
Vitamin D3 Oral Solution VEGICAPS
Multi Vitamin - Mineral
Tricare Prenatal
Usana Optimizer Actical Plus Calcium-magnesium-vitamin D3-silicon Tablets
A.R.T.H. Away Formula
Pure Calcium calcium
FolaGent DHA
Azesco
Thrivite Rx
PNV Tabs 20-1
SetonET-EC
Vitramyn
Pregvit Folic 4
PreFol-DHA
Quflora Pediatric Drops
Liquid Calcium and Magnesium With Vit.d
VITAMINS A, C, D and FLUORIDE
Prenaissance Plus
Prena1
PNV Prenatal Plus Multivitamin
Prenatal Vi-min
Super-pote Vitamin Supplement
FolaMax
YYUX Organic Liquid Vitamin D3 plus K2 Drops
Cal-mag Citrate Zinc & Vitamin D Tablets
Children's Chewable Multivitamin Complete With Minerals
Multivitamins and Minerals Tablets
Prenatal Plus Multivitamin Plus DHA MiniCaps
Vitaphil DHA
healthy mamaBE WELL ROUNDED BE WELL ROUNDED
Growth Supportpatch, Hautuki
Prefera OB plus DHA
Dayavite
Se-Plete DHA
Calci-yum Plus Magnesium + D3
Euro D 10 000
Vinate Care
Nutrilite Double X
Advanced AM PM
Men's Biomultiple Vitamin and Mineral Supplement
Vita-Pac
MultiVitamin with Fluoride Chewable
Natural Source Spectrum With Beta Carotene
Multi-actin
Multi-Vitamin Fluoride Drops
Escavite
Prenatal
natelle COMPLETE
Noxifol-D
Nutra-Z
DuetDHA Balanced
Children's Chewable Multi-vitamin Complete With Minerals
Corvita
Tri Vi Flor Tab
Animi-3 with Vitamin D
Zatean-CH
Multivitamins and Minerals for Women
Neonatal Plus Vitamin
NESTABS Prenatal Multi-vitamin/Mineral Supplement
PreGenna
Folet One
Paramettes Chewable Multivitamins Plus Iron
Nutri-Tab OB plus DHA
Jamp-vitamin D
Kids Stuff Tablets
Roxifol-D
Liquid Calcium Mg Phosphorus and Vit.d-3
Multivitamin with 0.25 mg Fluoride
Dexatrim Tablets
Prenate Mini
WellFola
Cavan-EC SOD DHA
Lexazin
Prenatryl
Men's Multi Master Formula
Pregnancy Multivitamin
Strovite One Caplets
Trinatal GT
Ag-vitamin D
For Kids Only Chewable Multivit. Plus Iron
Folvik-D
TL-Care DHA
Chela Calmag-300 Plus Zinc D3
Vita Day Tab
Innersource Tab
Poly-Vite Pediatric Oral Solution
Multi Vitamin Drops with Fluoride with Iron
PreNatal Vitamins Plus
Zavara
Adult Formula 50+
Cal-mag Complete With Zinc, C and D
Zyvana
VirtPrex
Cifrazol
Multi Vitamin Drops with Fluoride and Iron
Antiseptic Skin Cream
Multivitamins
Livita Adults
Natal PNV
Derma-force
Only One - Tablet
TriAdvance
TriStart DHA
Sandoz Alendronate/cholecalciferol
Prenate DHA
Prometa
Vitamin D 400 Iu
Vol-Tab Rx
Prenatvite
Virt-Pn
algeaSAN reg
Materna - Tab
HemeNatal OB
Duet DHA 400
PreNexa premier
Genicin Vita-Q
Poly-Vi-Flor
Thrivite 19
Orifer F
Children's Chewable Multivitamins With Minerals
Vitafol
Tendera-OB
Novel-D3
NovaDHA Baby DHA
Q.T. #4 Vitamin and Mineral Dietary Supplement
TL-Select
Swiss One Multivitamin and Mineral Caplet
Multi-vitamin Dietary Supplement
Livita Children
Sweet Sixteen - Tab
Essential Vitamins and Minerals
Folika-MG
T.A. Vit A & D Ointment
VITAMIN D3 1.25 MG 50000 IU Dietary Supplement
Prenatal Plus Vitamins
PramLyte
Prenatal Supplement - Tab
Virt-Nate
Prenatal Vitamin No 53 Iron Fum Folic Acid Docusate CA DHA
50 Plus Multiple Vitamins & Minerals
Bal-Care DHA
Multivitamins for Children
Chewable Multivitamins
Folet DHA
Swical Extra-fort
TL-Select DHA
Nata Komplete
Vitamins A, C, D and Fluoride Drops
Keylosa
Multiple Vitamins
Foltabs Prenatal
Vitamines A - D Calcium
Natalvirt 90dha
Vitamine D 10 000
Quflora Gummies
Multi-Vitamin Fluoride
Women's Biomultiple Vitamin and Mineral Supplement
Tri-Vitamin with Fluoride
Vita-vim - Tab
LiquiCal with Magnesium
PR Natal 400
Osteo Factors
Prenatal Vitamins Plus Low Iron
Virt-Select PRENATAL/POSTNATAL
Women's Formula
Multivitamins and Multiminerals Formula Regular Tablet
Children's Vitamins W Iron Chewable
Sun-rype Vitaburst
Folcaps Omega-3
Paramettes Multivits Plus Iron Tab (teens)
Garfield Chewable Multivitamins Tab
Vita Balance 2000
Relnate DHA
Coral Calcium Plus Vitamin D 210mg/100iu
PreferaOB ONE
Duet DHA 400 ec
Cholecal DF
YYUX Organic Liquid Vitamin D3 Drops 1000 IU
Dialyvite Supreme D
OB Complete Gold
Multi-Vitamin Drops with Fluoride and Iron
Tri-Vitamin with iron and fluoride
WesNatal DHA Complete
Tricare Prenatal 2-part Daily Prenatal Vitamin System
Pro Hers Vanilla
Multivitamines Et Mineraux Reguliers / Regular Multivitamins and Minerals
NESTABS ABC Prenatal Multi-vitamin/Mineral Supplement with DHA/EPA
Rocky Mountain Multiple Vit and Min Mega Tab
Wellness Formula
Vitaphil 90 DHA
Animi-3
VIL-Rx
Vitamin D 400 Iu Tablets
Twin G.F. Powder Vanilla Flavor
C. Vit-min Formula
Multi - N.T.O.x Formula - Tab
Calcium With Magnesium and Vitamin D
Calcium Plus
N.E.U. Complex
Super Charged Energy
Corvite FE
Children's Chewable Vit and Min Tab
MultiVitamin, Iron and Fluoride Drops
Kimchi Vitamin chewable multivitamin
CitraNatal Assure
Multi-vitamins With Minerals
Mebolic
PreNatal 19
Vitafol Nano
Bear Essentials
Supplements De Vitamines Et Mineraux
Decalcitrol
Cavan Folate DHA
Omniquin
Multi-Vitamin Fluoride and Iron Drops
Quflora FE Pediatric Drops
Menocal Tab
OB Complete 400
Pnv-OB-dha
Focalgin CA
Select OB
Escavite Lq
Vitamin & Mineral Formula 1 Dietary Supplement
Duet DHA Balanced
Multi-Vit with Fluoride and Iron
WesNate DHA
Multivitamins and Minerals for Young Women
OB Complete Petite
Trinatal Rx 1
Supplement De Vitamines Et Mineraux
VitaPhil Aide
C.H.V. Formula
For Kids Only Chewable Multivitamins
Garfield Chewable Multivits Plus Iron Tab
Children's Vitamins Chewable
Tri-VI-sol Drops
vitaMedMD One Rx
Multivitamin Drops with Fluoride
Cavan One
Enviroflex - Tab
Chela Calmag-100 Plus Zinc D3
Riva-D 10000 Iu
RayaVit
UltimateCare ONE
Nrg Plus Liq
Vitrexate
Vitamin D3 Dietary Supplement
Re Ob 90 DHA
Sandoz D 10 000
Pediatric Infuvite Multiple Vitamins for Infusion
Hormodausse Plus Calc Et D Tab
Complete Multivitamins and Minerals for Children
RE FAC-x
Fosteum
Calcium & Vitamin D
Osteo Formula
Vitamin D 1000iu
O-Cal Prenatal Vitamin
Multi Tabs
Kid's Choice Children's Chewable Vitamins - Tab
Nestabs ONE
Central-vite 18 Essential
D- Trol VITAMIN D3 50000 IU Dietary Supplement
Kids Stuff With Iron Tablets
One Per Day Vitamin and Mineral Dietary Supplement
Pnv-dha
Osteo Regime
Multi Vitamin and Fluoride
CitraNatal Medley
Pro His Mint
Isotonix Calcium Plus Formula
Jamp Alendronate / Vitamin D3
Osteoshield
Obstetrix ONE
Pediatric Infuvite Multiple Vitamins
Infant Multivitamin Drops
Prenate Elite
Palm Springs Multvit and Min Tab
VP-HEME One
PreferaOB
PrimaCare
Calma-D
Children's Chewable Multi-vitamin
Durachol
Ventrixyl Fe
K.L. Vitamin-mineral
Maintain Multiple Vitamin & Minerals
Dry Super Vitamin A Plus D - Cap
Gestamine Comprimes
Men's 50+
Calcium & Magnesium With Potassium, Zinc, Manganese & Vitamin D
Prevital Tab
PreQue 10
RE Prenatal Multivitamin with Iron
WesTab Plus
Nexa Select Rx Prenatal Vitamin with Plant-Based DHA
Apcal
Calcium 600mg + Vit D3 125unit Tab
Taron BC
Novel Vita
Children's Chewable Multivitamins and Minerals
Children Choice Multivitamin W Iron Chew Tab
Liquid Opti-minplex +d
P.R.O. Complex
Neonatal Vitamin
Super Multi
Children's Chewable Multiple Vit.plus Iron
Premium Prenatal
PreferaOB One
Complete-RF Prenatal
Prenatal and Post Partum Supplement
Vita-desic
Hi Potency Multi Tab
Multi Vitamin, Iron and Fluoride
Twin G.F. Powder
Extra-Virt Plus DHA
RediChew
Zavitrol
Acti-cal/mag 2:1 + Zinc and D Caplet
Actical Plus Calcium-magnesium-vitamin D3-silicon Chewable
Multi #2
Prenate Essential
Recal D
Cavan Heme OB
Floriva
Hvp Chelated Cal/mag With Zinc and Vitamins C and D
Multi-Vitamin With Fluoride
PNV Tabs 29-1
Vinacal
Bal-Care DHA Essential
Prenatal Vitamins Plus
Riva-D 5000 Iu
Virt-Bal DHA Plus
Davimet
Folitin-Z
Magnacal
Teva-alendronate/cholecalciferol
Abavite
CitraNatal Harmony 3.0
Prenaissance
Focalgin 90 DHA
Adeks Tablets
Escavite D
Tri-Vit With Fluoride And Iron Drops
Isotonix Multitech Vitamin Mineral Supplemen
Prena1 Plus
TriStart FREE
Zolate
Nutrifer Plus Tablets
For Kids Only Chewable Multivitamins - Tab
Neo-vites & Minerals Tab
Iprical
Multi Vitamin with Fluoride
Tri-Vite Pediatric Oral Solution
Se-Natal 19
Sincera - Tablets
PreNexa
INATAL Ultra
Prenate Pixie
Vidextra
Vitamin D3 Oral Solution
Calcium With Vitamin D 200 Mg/160 Iu
Virt-Nate DHA
PR Natal 430
Fosavance
Multivitamines Pour Enfants (chewable Tablets)
Neonatal DHA
Tobakient
Tricare Prenatal Quick Dissolve
Tricare Prenatal DHA One Rx Multivitamin
Calcium 500mg With Vitamin D
Multivitamines Et Mineraux Junior Regulier
MultiVitamin Drops with Fluoride and Iron
Cod Liver Oil Cap
OB Complete Prenatal
Calcium & Magnesium Citrate Plus D With Manganese, Potassium & Zinc
ProFola
Calcium With Mg Zn Mn Cu CR Si and Vit. C & D
Se-Care Chewable
Virt-Advance
PreTAB
Edge OB
YYUX Vegan Baby Liquid Vitamin D3 Drops 400 IU
Calcium Citrate and Vitamin D 200mg/160iu
Beta Carotene Provitamin A With D
PRENATE Restore
Children Choice Multivit Chewable Tab
Dyzbac
Foliflex
Infuvite Adult Multiple Vitamins
Tri-Vi-Flor
Cataplex D Tab 400unit
Calcium-magnesium With K & Zn and Vitamin D3
Super Cal Mag Plus
Super Vita-vim With Beta-carotene - Tab
D-Vite Pediatric Oral Liquid
Chewable Children's Complete Multivitamins With Essential Minerals
Zalvit
PNV Prenatal Vitamin
Active OB
Multi-Nate 30
One A Day Bone Builder
P.N.P. Vitamin Drink
Extra Once A Day
Davimet-M
Virt-PN Plus
Obstetrix EC
Amerix Vitamin D 3
Folivane-PRx DHA
Multi-kid
Provida DHA
NovaFerrum 125
Multi Vitamin & Minerals
algeaSAN pro
Enrich Core Pack - Children Vitamin and Mineral Supplement
Oyster Shell Calcium with Vitamin D
Vitaday Junior Tab
Multi-Vit with Fluoride
Folcal DHA
Calcium and Magnesium Citrate and Vitamin D 250mg/125mg/200iu
Milltrium Senior Vitamin and Mineral Supplement
Materna-tab
Ortho Folic
VemaVite-PRx 2 with Fish-Based DHA
Fosamax Plus D
Se-Natal 19 Chewable
Actonel Sachet Kit
Super Kids Chewable Multivitamin Multimineral (chewable Tablets)
Cavan Folate OB
Vol-Nate
CitraNatal Essence
Vita-vim With Beta-carotene - Tab
Multra Plex
Calcium 650mg With Vitamin D
D Vi Sol Infants Drops 400unit/0.6ml
Fortamines-10 Comprimes
Multra With Iron
PRENATE Enhance
Senior Multi One
Tricare Prenatal DHA One
Vitranol Fe
Women's Support Tablets
Mebolex
Formula Osg
Multivitamin
PNV-Select
Nephrocaps-QT
Q.T. Vitamin and Mineral Drink Mix
Tricare Prenatal DHA One With Folate
D-Cal SoyCal
Prenatabs FA
PreferaOB plus DHA
Pregvit Folic 5
Mvc
Usana Megavitamin Tablets - Tab
Decara K Vegicaps
Amerix Multivitamin
Cod Liver Oil USP
Foltabs Prenatal Plus DHA
High Potency Multivitamins & Minerals Caplets
Iron Polysaccharides Folic Acid DHA
Neomultivite
Obtrex One
Prenatal Formula Tab
Vita-Rx Diabetic Vitamin
Gesticare DHA
Duet DHA
Vitamin D3
Calcium Folic Acid Plus D Chewable
Liqui Cal-D
Poly-Vite/Iron Oral Solution
Inatal Advance
Multicaps
L-Methyl PNV DHA
PNV Ferrous Fumarate Docusate Folic Acid
Folene
Moms Choice Rx
Luxa-D
Nexa Plus
Formula 3200 Waf 100unit
Se-Natal One
Calcium/magnesium/vitamin D - Capsule
Oncovite
Pregvit
Multinate DHA
Multivitamin with Fluoride
Ribotin-E
Vena-Bal DHA
Vitamin D-dry 400 I.U.
RenaPlex-D
Calcium Complex High Grade
Port A Mins Super Calcium 375 With Vitamin D3
Folplex
Vol-Plus
Virt Vite GT
Multi Vitamin Drops with Fluoride
Prenatal, DHA
Tozal
Junior Multi Vitamins - Regular
Daily-Vite
L.C. Supplement
NESTABS DHA Prenatal Multi-vitamin/Mineral Supplement with DHA/EPA
Osteo-plus
Prenatrix
Prena1 Chew
Infants' Multiple Vitamin Drops
Vp-heme Ob DHA
Tri-Vit with Fluoride Drops
Children's Chewable Multiple Vitamins - Tab
Ostachol
Decara High Potency Vitamin D3 Vegicaps
UltimateCare ONE NF
AzesChew
One Daily Vitamin and Mineral Dietary Supplement
Rulavite DHA
NuFera
Opti-cal Chewable +d Caplet
Cavan Alpha
Nexa Select
Poly-VI-flor
Port A Mins Super Cal-mag 300/150 With Vitamin D3
Efferlife Calcium 500mg + Vitamin D3 440 Iu + Vitamin C 125mg
Quflora FE
Animal Shapes w/Iron Chewtabs
Triveen-PRx RNF
Zatean-Pn DHA
Multivitamins and Minerals for Men
Ziphex
Revesta
Sodium Fluoride and Vitamin D Drops
PR Natal 400 ec
Cod Liver Oil Oleovitamin A & D Caps 20min
Xyzbac G
Natalvirt Ca
Vinate AZ
Vantavo
Provida OB
Oyster Shell Calcium
Puralor
Vitranol
Pnv Ob DHA
Active Calcium Plus Magnesium, Vitamin D and Silicon
CitraNatal B-Calm
Multivit with Fluoride
YYUX Vegan Mama Liquid Vitamin D3 Drops 600 IU
O-Cal FA multivitamin
Obstetrix DHA Combo Pack
Osteo Tablets
Multivitamins and Minerals for Young Men
TriStart ONE
B & J Formula Dietary Supplement
Omnivex
Vitamin D3 50mcg (2000IU)
Pre-Tabs DHA Prenatal Multi-vitamin/Mineral Supplement with DHA/EPA
Natavite
Prenatal Plus
Pro Pcos Citrus
Decara Vitamin D
PreGen DHA
Taron-prex Prenatal
Mid-life Magnacal 2
RE Nata
Nutri-Tab OB
Virt-PN
vitaMedMD Rx Plus
RE Nata OB
Avon Nutrivance Soft Calcium Chews With Vitamin D
Redoxon-cal
L.I.P. Complex
Caltrate 600 Plus D - Tablet
One Daily VITES
Triple-Vitamin Drops with Fluoride
Folcaps Care One
Silexin
VP CH Plus
Animal Shapes
WestGel DHA
Jenliva
Floriva Plus
Adrovance
Corvite
Multivitamins and Minerals With Betacarotene Tablets
Poly-Vi-Flor Gummies
Cal-mag With Zinc & Vitamin D
Multi-Vit-Flor
Liquical
Vitrexate FE
Calcium 250 Mg With Vitamin D
Multivitamin & Minerals (iron Free)
Riva-D
Vp-heme Ob
HemeNatal OB plus DHA
Medi-10
Aces Tab
C-Nate DHA
Multivitamin with 1.0 mg Fluoride
CyFolex
Preplus
Children Vitamin Drops
Ultimate Tab
High Potency Calcium
OBTREX DHA Combo Pack
Viva Kids - Tab
Virt-Pn DHA
Osteo-Vit3
Mega Vitaminerals
Trinaz
Prenatal Plus Iron
Liquid Calcium With Vitamin D
V & M Vitamin and Mineral Supplement
Formula O-care Vitamin and Mineral Supplement
Multivitamins and Minerals - Complete
CitraNatal Harmony
D-tabs
SetonET
Trinatal Ultra
A + D Ointment
Alendronate-cholecalciferol
Calcium and Magnesium 1:1 Plus Tablets
Florafol FE Pediatric 0.25 mg/mL Multivitamin and Fluoride Liquid Drops
Calcium Supplement Tab
Prenate Star
O Calcium 500mg Plus D Tab
Bseltzer
Genicin Vita-D
Euro-D 10000 Iu
Active FE
PNV-Omega
Twin Opti Pwr
Calcium and Magnesium With Vitamin D
Calcium Et Magnesium Plus Vitamin D
MultiVitamin with Fluoride Drops
Zyvit
Spark Cap
Am Caps
Xyzmune
Materna
Quflora Pediatric
Childrens Chewable Vitamins
Cal/mag 1:1 With Zinc and Vitamin D - Tablet
Folgard
Multiple Vitamins & Minerals Tablets
Niva-Plus
Poly-Vitamin with Fluoride
Venexa FE
YYUX Organic Liquid Vitamin D3 Drops For Baby 0-3 years 400 IU
Triple Vitamin Drops with Fluoride
Zatean-Pn Plus
PM Caps
Xyzbac
O-calcium 250mg Plus D
Children's Multivitamins With Iron
PrePLUS
Multi-Vitamin with Fluoride
V-Natal
Fortamines 10 Capsules
For-2
Folcyteine
Multivitamines Plus Fer Pour Enfants (chewable Tablets)
Prenatvite Plus
Vyqua
Vp-pnv-dha
NEONATAL Complete
CompleteNate Chewable
Mor-vites Tab
Vp-CH-pnv
Calcium Citrate With Vitamin D
Tricare Prenatal Compleat
Childrens Chewable Vitamin Tab
FolaMed DHA
Osteo-Poretical
24 Multivitamins + Minerals
Complete Natal DHA
NataChew
Menatrol
Pregnancy Multivitamin Folic 5
Calcium 600 + D
Viva CT Prenatal
Triveen-Duo DHA
Ply Vi Sol Chewable Tab
Multi-vitamins
Ciferex
Citranatal B-calm
PNV-First
T-PA Cap
Avon Vitadvance Multi-kids Complete
Multitabs
Vitafol Ultra
Ultimate OB DHA
Euro-D 5000 Iu
Zatean-Pn
Folika-V
Choice OB DHA
Maximum Once A Day
Osteo-force
PR Natal 430 ec
Vp-gstn
Imubolic
Nutri-chem Calcium Magnesium With D and Zinc
Paramettes Chewable Multivits With Iron Tab
Cavan Prenatal
Florafol Pediatric 0.25 mg/mL Multivitamin and Fluoride Liquid Drops
DuetDHA Complete
Vitafol Fe Plus
Indication
Cholecalciferol use is indicated for the treatment of specific medical conditions like refractory rickets (or vitamin D resistant rickets), hypoparathyroidism, and familial hypophosphatemia [F4027, F4042]. Concurrently, as one of the most commonly utilized forms of vitamin D, cholecalciferol is also very frequently used as a supplement in individuals to maintain sufficient vitamin d levels in the body or to treat vitamin D deficiency, as well as various medical conditions that can be associated directly or indirectly with vitamin d insufficiency like osteoporosis and chronic kidney disease, among others [A176041, A176044, F4051].
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