Subject Index 



661 



Hacmoprotein(s) — cont. 

 redox potentials of 47, 48, 56-79 

 respiratory pigments from, efTect of 



cooling on spectra 451-454 

 spectra of 56-79, 139-141 

 spin states of 15, 139 

 Haemoproteins a, spectra of 325-328 

 Haemoprotein compounds, structure and 



physical properties 71-74 

 Heavy water, ferrimyoglobin spectra in 



132-133 

 2-«-Heptyl-4-hydroxyquinoline N-oxide 



576 

 Histidine, in cytochrome c 90 

 in cytochrome b., 503 

 in haemoglobin 90 

 in myoglobin 90 

 in serum albumin 90 

 in serum globulin 90 

 protohaem complex formed with 69 

 Hydrazine, complexes formed with haem 



74, 75, 76 

 Hydroxylamine, in ferrichrome compounds 

 202, 204 

 reduction of by cytochrome Cg 416 

 release from ferrichrome compounds 

 198 



Imadazole hypothesis 48-49, 95 

 Imidazoles, electron transport in 16 

 Iron, attachment to protein 181-183 

 binding centre in ferrichrome compounds 



202 

 combination with porphyrin (see Iron- 



porphyrin complexes) 

 complex with pyridine-2-aldoxime 96 

 concentration of, production of itoic 



acid as function 197 

 effect on autoxidation of flavocyto- 



chrome b^ 504, 530, 532 

 enzymic incorporation of 215-216 

 incorporation into protoporphyrin 207- 



210 

 incorporation into protoporphyrin, effect 



of mercaptoethanol 209 

 incorporation into protoporphyrin, effect 



ofTween40 208-210 

 linkage with protein in haemoglobin 



190 

 metabolism of 194-206 

 removal from haemins 322 

 supply of and itoic acid production 



200-201 

 uptake by protoporphyrin 194 

 Iron complexes, spectra of 145 



structure of 96 

 Iron-enzyme, synthesis of 194 



Iron haem complexes, equilibrium constants 



79 

 Iron-itoic acid complex 201, 202 

 Iron nioxime complexes, redox potentials 



of 46 

 Iron porphyrin complexes 38 {see also 

 entries beginning Ferri and Ferro) 



chemical reactions 42, 49-51 



classification of 42 



efTect of ligands in 5th and 6th co-ordinate 

 positions 65-67 



electron transport in 51-52 



interaction of ion with protein 45 



ligand-field theory 5-9 



magnetic moments of 43 



oxidation-reduction potentials 45-49 



paramagnetic resonance 7-9 



physical properties of 41 



reactions of molecular oxygen 49 



redox potentials 53 



spectra of 41^5, 73, 139, 170 



spin states 44, 53, 54 

 Iron-protoporphyrin, oxidation-reduction 



potentials of 68 

 Itoic acid, ferric complex of 196-197 



lability of 200 



metabolism of 201-203 



preparation of 196 



production and iron supply 197, 200-201 



utilization by Bacillus subtilis 198 

 Itoic acid-ferric complex, composition of 

 199 



properties of 198-200 

 Itoic acid-iron complex 202 



nutritional availability 201 



Lactate, reaction with cytochrome b^ 



514-520, 568-569 

 Lactate dehydrogenase, activity of, effect of 

 riboflavin 535-536 

 effect of temperature 541 

 in electron transport 536-538 

 kinetic studies 514-520, 534-543 

 mode of action 519, 538-543 

 relation between rate and concentra- 

 tion 514-520, 539, 540 

 activity with cytochrome 62 513-514 

 and cytochrome c 502, 548-549 

 crystallization of 501-502, 552 

 effect of heat 555-556 

 electron transport in 556-557 

 enzymic activities of 553-556 



modification of 554-555 

 from baker's yeast 501-523, 552-558, 



560-562 

 function of 559, 560 

 in electron transfer 552 



