GO:0005604; C:basement membrane; IDA:UniProtKB.
GO:0005783; C:endoplasmic reticulum; ISS:UniProtKB.
GO:0005794; C:Golgi apparatus; ISS:UniProtKB.
GO:0005506; F:iron ion binding; IEA:InterPro.
GO:0031418; F:L-ascorbic acid binding; IEA:UniProtKB-KW.
GO:0016702; F:oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen; IEA:UniProtKB-KW.
GO:0019797; F:procollagen-proline 3-dioxygenase activity; ISS:UniProtKB.
GO:0032963; P:collagen metabolic process; ISS:UniProtKB.
GO:0008285; P:negative regulation of cell proliferation; ISS:UniProtKB.
GO:0019511; P:peptidyl-proline hydroxylation; ISS:UniProtKB.