GO:0020037; F:heme binding; IEA:InterPro.
GO:0005506; F:iron ion binding; IEA:InterPro.
GO:0019825; F:oxygen binding; IEA:InterPro.
GO:0005344; F:oxygen transporter activity; IEA:UniProtKB-KW.
GO:0050873; P:brown fat cell differentiation; IEA:Compara.
GO:0043353; P:enucleate erythrocyte differentiation; IEA:Compara.
GO:0007507; P:heart development; IEA:Compara.
GO:0001666; P:response to hypoxia; IEA:Compara.