Water-soluble ions  Aerosol water content  Sulfate  Nitrate  Ammonia  

华北平原,灰霾,农民活动,散煤燃烧,So42- The North China Plain, Haze, Farmers’ Activities, Residential Coal Combustion, Sulfate  

UAAs  unnatural amino acids  Rd  rubredoxin  EPR  electron paramagnetic resonance  Az  azurin  SOR  superoxide reductase  PDB  protein data bank  6-PGLac  6-phosphogluconolactonase  H-bond  hydrogen-bond  NIR  nitrite reductase  ET  electron transfer  3SCC  three stranded coiled coil  Bpy-Ala  (2,2′-bipyridinine-5-yl)alanine  CcO  cytochrome c oxidase  N2OR  nitrous oxidase reductase  XANES  X-ray absorption near-edge structure  DF  Due Ferri  4-AP  4-amino-phenol  POP  prolyl oligopeptidase  ee  enantiomeric excess  HCO  heme-copper oxidase  NOR  nitric oxide reductase  MnP  manganese peroxidase  Mb  myoglobin  RFQ-rR  freeze-quench resonance Raman  CcP  Cyt c peroxidase  BMC  microcompartment  CYP  cytochrome P450  TON  turnover number  TDHC  tetradehydrocorrin  NB  nitrobindin  RCM  ring-closing metathesis  ROMP  ring-opening metathesis polymerization  SAV  steptavidin  NCS  neocarzinostatin  BLG  -Lactoglobulin  HSA  human serum albumin  BSA  bovine serum albumin  ITC  isothermal titration calorimetry  AldO  alditol oxidase  FAD  flavin adenine dinucleotide  MP  microperoxidase  HB  heme-binding  GTL  Geobacillus thermocatenulatus lipase  4NPA  4-nitrophenyl acetate  LmrR  Lactococcal multidrug resistance Regulator  ABTS  2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt  mCPBA  meta-chloroperbenzoic acid  Fd  ferredoxin  Fld  flavodoxin  HTHP  hexameric Tyr-coordinated heme protein  AFM  atomic force microscopy  TEM  transmission electron microscopy  MRI  magnetic resonance imaging  Metalloproteins  Metalloenzymes  Protein design  Multiple active sites  Biocatalysts  

Haze pollution episode  PM2.5  Secondary inorganic aerosols (SIA)  Secondary organic aerosols (SOA)  Meteorological conditions