10067
In addition to homologues of the human genes PSMB5 through PSMB9 , two new genes , PSMB11 and PSMB12 , have been found for which there are no known corresponding genes in humans .
 human genes PSMB5, PSMB9, PSMB11, PSMB12
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 human genes PSMB5, PSMB9, PSMB11, PSMB12