Federal Home Loan Mortgage Corporation: FRM: fixed-rate mortgage: GAAP: generally accepted accounting principles: GSE: government-sponsored enterprise: HCLTV: home equity combined loan-to-value: HELOC: home equity line of credit: HFA: Housing Finance Agency: HOA: homeownersâ association: HOEPA: Home Ownership and Equity Protection Act of 1994
Hydrogen bonds, as well as the other types of noncovalent interactions, are very important in terms of the binding of a ligand to a protein. In section 1.3, we saw a 'space-filling' picture of an enzyme with its substrate bound in its active site.
Covalent Bonds These are bonds formed between non-metals. The non-metals all have relatively high ionization energies so octets of valence electrons are obtained by sharing electrons, instead of gaining or losing electrons. An example of covalent bonding is F 2, fluorine gas. 7.