PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18796614-3 2008 We now show that the mammalian protein histidine phosphatase (PHPT-1) directly binds and inhibits KCa3.1 by dephosphorylating histidine 358 on KCa3.1. Histidine 39-48 phosphohistidine phosphatase 1 Homo sapiens 62-68 18796614-3 2008 We now show that the mammalian protein histidine phosphatase (PHPT-1) directly binds and inhibits KCa3.1 by dephosphorylating histidine 358 on KCa3.1. Histidine 39-48 potassium calcium-activated channel subfamily N member 4 Homo sapiens 98-104 18796614-3 2008 We now show that the mammalian protein histidine phosphatase (PHPT-1) directly binds and inhibits KCa3.1 by dephosphorylating histidine 358 on KCa3.1. Histidine 39-48 potassium calcium-activated channel subfamily N member 4 Homo sapiens 143-149