LEHNINGER PRINCIPLES OF BIOCHEMISTRY - VOLUME 3. INFORMATION PATHWAYS - 2017
PART III. INFORMATION PATHWAYS
APPENDIX A.
Abbreviations and Acronyms Used in Biochemistry
 — angstrom
A — adenine, adenosine, or adenylate
A — absorbance
Ab — antibody
ABC — ATP-binding cassette
ACAT — acyl-CoA-Cholesterol acyltransferase
ACC — acetyl-CoA carboxylase
ACh — acetylcholine
ACP — acyl carrier protein
ACTH — adrenocorticotropic hormone
acyl-CoA — acyl derivatives of coenzyme A (or acyl-S-CoA)
ADH — Alcohol dehydrogenase
adoHcy — S-adenosylhomocysteine
adoMet — S-adenosylmethionine (SAM)
AFM — atomic force Cell/15.html">Microscopy
Ag — antigen
AGE — advanced glycation end product
AIDS — Acquired Immunodeficiency Syndrome
AKAP — A-kinase anchor protein
Ala — Alanine
[a]D25°C — specific (optical) rotation
AMP, ADP, ATP — adenosine 5'-mono-, di-, and triphosphate
AMPK — AMP-activated protein kinase
ANF — atrial natriuretic factor
AQP — aquaporin
Arg — Arginine
ARS — autonomously replicating sequence
Asn — asparagine
Asp — aspartic acid (aspartate)
ATCase — aspartate transcarbamylase
atm — atmosphere
ATPase — adenosine triphosphatase
B12 — coenzyme B12, cobalamin
BAC — bacterial artificial chromosome
BAT — brown adipose tissue
BMR — basal metabolic rate
bp — Base Pairs
1,3-BPG — 1,3-bisphosphoglycerate
C — cytosine, cytidine, or cytidylate
CAM — Crassulacean Acid METABOLISM
CaM — calmodulin
cAMP — cyclic 3',5'-AMP
CD — circular dichroism
CDK — cyclin-dependent protein kinase
cDNA — complementary DNA
CFTR — cystic fibrosis transmembrane conductance regulator
cGMP — cyclic 3',5'-GMP
Chl — chlorophyll
ChREBP — carbohydrate-response element-binding protein (Transcription factor)
CKII — casein kinase II
CL — cardiolipin
CMP, CDP, CTP — cytidine 5'-mono-, -di-, -triphosphate
CoA — coenzyme A (CoASH)
COHb — carboxyhemoglobin
CoQ — coenzyme Q (ubiquinone, UQ)
COX — cyclooxygenase; cytochrome c oxidase
CREB — cAMP-response element-binding protein (transcription factor)
CRP — cAMP receptor protein
Cys — Cysteine
Cyt — cytochrome
D — dihydrouridine
D — diffusion coefficient
d(р) — density
dADP, dGDP, etc. — deoxyadenosine 5'-diphosphate, deoxyguanosine 5'-diphosphate, etc.
dAMP, dGMP, etc. — deoxyadenosine 5'-monophosphate, deoxyguanosine 5'-monophosphate, etc.
dATP, dGTP, etc. — deoxyadenosine 5'-triphosphate, deoxyguanosine 5'-triphosphate, etc.
DEAE — diethylaminoethyl
DFP — diisopropyl fluorophosphate (DIFP)
DHAP — dihydroxyacetone phosphate
DHF — dihydrofolate (H2-folate)
DMS — dimethyl sulfate
DNA — deoxyribonucleic acid
Dnase — deoxyribonuclease
DNP — 2,4-dinitrophenol
Dol — dolichol
dopa — dihydroxyphenylalanine
E — electrical potential
E.C. — Enzyme Commission (following the enzyme number in its formal Classification)
ECM — Extracellular matrix
EDTA — ethylenediaminetetraacetate
EF — elongation factor
EGF — epidermal growth factor
ELISA — enzyme-linked immunosorbent assay
EM — Electron microscopy
emf — electromotive force
EPO — Erythropoietin
ε — molar absorption coefficient
EST — expressed sequence tag
ɳ — viscosity
F — farad
f — frictional coefficient
FA — fatty acid
G6PD — glucose-6-phosphate dehydrogenase
FAD, FADH2 — flavin adenine dinucleotide and its reduced form
FAS — fatty acid synthase
FBPase-1 — fructose-1,6-bisphosphatase
FBPase-2 — fructose-2,6-bisphosphatase
Fd — ferredoxin
FDNB (DNFB) — 1-fluoro-2,4-dinitrobenzene
F0F1 — mitochondrial ATP synthase
FFA — free (non-esterified) fatty acid
FH — familial hypercholesterolemia
fMet — N-formylmethionine
FMN, FMNH2 — flavin mononucleotide and its reduced form
FOXO1 — transcription factor; from English forkhead box O1
FP — flavoprotein
F1P — fructose-1-phosphate
F6P — fructose-6-phosphate
FRAP — fluorescence recovery after photobleaching
FRET — fluorescence Resonance energy transfer
Fru — D-fructose
∆G — change in Free energy
∆G° — change in Standard Free Energy
∆G'° — apparent change in standard free energy under biochemical Standard States
∆G* — activation energy
∆GB — binding energy
∆Gp — change in Free energy of ATP Hydrolysis (phosphorylation potential) under intracellular conditions
G — guanine, guanosine, or guanylate
g — acceleration due to gravity
GABA — γ-aminobutyric acid
Gal — D-galactose
GalN — D-galactosamine
GalNAc — N-acetyl-D-galactosamine
GAP — glyceraldehyde-3-phosphate; GTPase-activating protein
GDH — Glutamate dehydrogenase
GEF — guanine nucleotide exchange factor
GFP — green fluorescent protein
GH — Growth Hormone
GHB — glycated Hemoglobin
GLC (GLC) — Gas-Liquid Chromatography
Glc — D-glucose
GlcA — D-gluconic acid
GlcN — D-glucosamine
GlcNAc — N-acetyl-D-glucosamine (NAG)
GlcUA — D-glucuronic acid
Gln — glutamine
Glu — glutamic acid, glutamate
GLUT — glucose transporter
Gly — Glycine
GMP, GDP, GTP — guanosine 5'-mono-, di-, and triphosphate
GPCR — G protein-coupled receptor
GPI — glycosylated phosphatidylinositol derivative
G1P — glucose-1-phosphate
G6P — glucose-6-phosphate
GRK — G protein-coupled receptor kinase
GSH, GSSG — Glutathione and its oxidized form
GSK3 — Glycogen synthase kinase 3
∆Н — enthalpy change
НА — hemagglutinin protein
Hb, HbO2— hemoglobin, oxyhemoglobin, oxidized hemoglobin
HDL (ЛПВП) high-density Lipoproteins
Н2folate (Н2-фолат) — dihydrofolate (DHF)
Н4folate (Н4-фолат) — tetrahydrofolate (THF)
HIF — Hypoxia-inducible transcription factor
His — Histidine
HIV (ВИЧ) — HUMAN IMMUNODEFICIENCY VIRUS
HMG-CoA — β-hydroxy-β-methylglutaryl-CoA
hnRNA (гяРНК) heterogeneous nuclear RNA
HPLC (ВЭЖХ) — High-Performance Liquid Chromatography
HRE — hormone response element
Hsp — heat Shock protein
НТН — helix-turn-helix
Нур — hydroxyproline
I — inosine
IF — initiation factor
Ig (ИГ) — immunoglobulin (antibody)
IgG — immunoglobulin G
Ile — isoleucine
IMP, IDP, ITP — inosine 5'-mono-, di-, and triphosphate
IР3 — Inositol 1,4,5-trisphosphate
IR — infrared
IRP — iron regulatory protein
IRS-1, IRS-2 — Insulin Receptor substrate 1 and substrate 2
IS (IS element) — insertion sequence
J — joule
JAK — Janus kinase
Ka — acid dissociation constant
Kd — dissociation constant
KD — diffusion constant
Keq — Equilibrium Constant
K′eq — standard equilibrium constant
KI — inhibition constant
Km — Michaelis constant
k — rate constant
kcat — turnover number
kb — kilobases
kbp — kilobase pairs
α-KG — α-ketoglutarate
lac — lactose
λ — wavelength
LDH — Lactate dehydrogenase
LDL — low-density lipoprotein
Leu — leucine
LH — luteinizing hormone
LHC — light-harvesting complex
Lk — linking number
In — natural logarithm
lg — common logarithm
LT — leukotriene
LTR — Long Terminal Repeat
Lys — Lysine
Мr — relative molecular mass
Man — D-mannose
МАРК — mitogen-activated protein Kinases
Mb, MbO2 — Myoglobin, oxymyoglobin, and oxidized myoglobin
MCAD — medium-chain acyl-CoA dehydrogenase
МСМ — minichromosome maintenance Proteins
mDNA (мДНК) — Mitochondrial DNA
Met — Methionine
MFP — multifunctional protein (in Fatty acid oxidation)
miRNA — microRNA
MODY — maturity-onset diabetes of the young
mRNA (мРНК) — Messenger RNA
MS (МС) — mass spectrometry
MSH (МСГ) — melanocyte-stimulating hormone
μ — electrophoretic mobility
Mur — muramic acid
Mur2Ac — N-acetylmuramic acid (NAM)
NAD+, NADH — nicotinamide adenine dinucleotide and its reduced form
NADP+, NADPH — nicotinamide adenine dinucleotide phosphate and its reduced form
NAG — N-acetylglucosamine (GlcNAc)
NAM — N-acetylmuramic acid (Mur2Ac)
ncRNA — non-coding RNA
Neu5Ac — N-acetylneuraminic acid (sialic acid)
NMN+, NMNH — nicotinamide mononucleotide and its reduced form
NMP, NDP, NTP — nucleoside mono-, di-, and triphosphate
NMR — nuclear magnetic resonance
NO — nitric oxide
OAA — oxaloacetate
ORC — origin recognition complex
ORF — Open Reading Frame
P — pressure
Pi — inorganic phosphate
PAB or PABA — p-aminobenzoate (Para-aminobenzoic Acid)
PAGE — Polyacrylamide gel Electrophoresis
PC — plastocyanin; phosphatidylcholine
PCR — Polymerase Chain Reaction
PDB — Protein Data Bank
PDE — phosphodiesterase
PDH — Pyruvate dehydrogenase
PE — phosphatidylethanolamine
PEP — phosphoenolpyruvate
PEPCK — phosphoenolpyruvate carboxykinase
PET — positron emission tomography
PFK — Phosphofructokinase
PG — prostaglandin
2PGA — 2-phosphoglycerate
3PGA — 3-phosphoglycerate
pH — lg(l/[H+])
Phe — phenylalanine
PI — phosphatidylinositol
pI — isoelectric point
PIP2 — phosphatidylinositol 4,5-bisphosphate
PK — protein kinase; pyruvate kinase
pK — lg(1/K)
PKA — cAMP-dependent protein kinase (protein kinase A)
PKB — protein kinase B (Akt)
PKC — Ca2+/calmodulin-dependent protein kinase (protein kinase C)
PKG — cGMP-dependent protein kinase (protein kinase G)
PKU — phenylketonuria
PLC — phospholipase C
PLP — pyridoxal 5'-phosphate
pO2 — partial pressure of oxygen
Pol — polymerase (DNA or RNA)
PPi — inorganic pyrophosphate
PP1 — phosphoprotein phosphatase 1
PPAR — peroxisome proliferator-activated receptor
PQ — plastoquinone
pRb — retinoblastoma protein
Pro — Proline
PRPP — 5-phosphoribosyl-1-pyrophosphate
PS — phosphatidylserine; photosystem
∆Ψ — transmembrane electrical potential
PTB — phosphotyrosine-binding
PUFA — polyunsaturated fatty acid
Q — mass action ratio
Q, QH2 — ubiquinone, reduced ubiquinone
Rb — retinoblastoma Gene (tumor suppressor gene)
RC — photoreaction center
RER — rough endoplasmic reticulum
RF — releasing factor; replicative form
RFLP — restriction fragment length polymorphism
RGS — regulator of G-protein signaling
RIA — radioimmunoassay
Rib — D-ribose
RLK — receptor-like protein kinase
RNA — ribonucleic acid
RNAi — RNA Interference
RNase — Ribonuclease
ROS — reactive oxygen species; rod outer segment (retina)
rRNA — ribosomal RNA
RSV — Rous Sarcoma virus
RTK — receptor Tyrosine kinase (Tyr kinase receptor)
∆S — Entropy change
SAM — S-adenosylmethionine (adoMet)
SDS — sodium dodecyl sulfate
SELEX — systematic evolution of ligands by exponential enrichment
SER — smooth endoplasmic reticulum
Ser — Serine
SERCA — sarco/endoplasmic reticulum calcium ATPase
SMC — structural maintenance of Chromosomes proteins
SNARE — soluble NSF attachment protein receptor
snoRNA — small nucleolar RNA
STP — single nucleotide polymorphism
snRNA — small nuclear RNA
snRNP — small nuclear ribonucleoprotein
SREBP — sterol regulatory element-binding protein
sRNA — small RNA SRP — signal recognition particle
STAT — signal transducer and activator of transcription
STP — standard Temperature and pressure
STR — short tandem repeat
stRNA — small temporal RNA
STS — sequence-tagged site
SUR — sulfonylurea receptor
T — thymine, thymidine, or thymidylate
T — absolute temperature
T2DM — type 2 Diabetes Mellitus (non-insulin-dependent)
TBP — TATA-binding protein
TCA — tricarboxylic acid
TFP — trifunctional protein
THF — tetrahydrofolate (H4-folate)
Thr — Threonine
TLC — Thin-Layer Chromatography
TMP, TDP, TTP — thymidine 5'-mono-, di-, triphosphate
TMV — tobacco mosaic virus
TPI — Triosephosphate isomerase
TPP — thiamine pyrophosphate
Trp — Tryptophan
TX — thromboxane
Tyr — tyrosine
U — uracil, uridine, or uridylate
UAS — upstream activating sequence
UCP — uncoupling protein
UDP-Gal — uridine diphosphate galactose (UDP-galactose)
UDP-Glc — uridine diphosphate glucose (UDP-glucose)
UMP, UDP, UTP — uridine 5'-mono-, di-, triphosphate
UQ — ubiquinone (coenzyme Q; CoQ)
UV — ultraviolet
Vm — transmembrane electrical potential (Membrane Potential)
Vmax — maximum velocity
V0 — initial velocity
Val — valine
VDR — vitamin D receptor
VEGF — vascular endothelial growth factor
VLDL — very low-density lipoprotein
WAT — Cytology/practical/49.html">White adipose tissue
YAC — Yeast artificial chromosome
Z — net charge
Last update: 06/08/2026
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