proteins

amino

structure
properties

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Terms in this set (8)

amino

structure
properties

structure: R-NH2

properties: polar, accepts H+ to form NH3

carbonyl group

structure
properties

structure: RCOR' or RCOH
properties: polar

carboxyl group

structure
properties

structure: RCOOH
properties: polar, ionizes to release H+

hydroxyl group

structure
properties

structure: ROH
properties: polar

methyl

structure
properties

structure: R-CH3
properties: nonpolar (unable to form H bonds or bonds with water)

phosphate

structure
properties

structure: R-PO3H2
properties: polar, ionizes to releas H+; energy stored in O-P bonds (phosphodiester bonds)

sulfhydryl

structure
properties

structure: R-S-H
properties: polar, forms disulfide bonds (S-S)

nonpolar, hydrophobic, lipid-soluble

glycine
alanine
valine
proline
leucine
isoleucine
methionine
phenylalanine
tryptophan

aqueous environment: cluster together in interior of protein
hydrophobic: on outside of surface protein