>1QL4_1|Chains A, B, C, D|CYTOCHROME C552|PARACOCCUS DENITRIFICANS (266) ADPAAGEKVFGKCKACHKLDGNDGVGPHLNGVVGRTVAGVDGFNYSDPMKAHGGDWTPEALQEFLTNPKAVVKGTKMAFAGLPKIEDRANLIAYLEGQQ