Names & Taxonomy

Uniprot ID:
P13674
Entry Name:
P4HA1_HUMAN
Status:
reviewed
Protein Names:
Prolyl 4-hydroxylase subunit alpha-1 (4-PH alpha-1) (EC 1.14.11.2) (Procollagen-proline,2-oxoglutarate-4-dioxygenase subunit alpha-1)
Gene Names:
P4HA1 P4HA
Gene Names Primary:
P4HA1
Organism:
Homo sapiens (Human)

Structure

Length:
534
Sequence:
MIWYILIIGILLPQSLAHPGFFTSIGQMTDLIHTEKDLVTSLKDYIKAEEDKLEQIKKWAEKLDRLTSTATKDPEGFVGHPVNAFKLMKRLNTEWSELENLVLKDMSDGFISNLTIQRQYFPNDEDQVGAAKALLRLQDTYNLDTDTISKGNLPGVKHKSFLTAEDCFELGKVAYTEADYYHTELWMEQALRQLDEGEISTIDKVSVLDYLSYAVYQQGDLDKALLLTKKLLELDPEHQRANGNLKYFEYIMAKEKDVNKSASDDQSDQKTTPKKKGVAVDYLPERQKYEMLCRGEGIKMTPRRQKKLFCRYHDGNRNPKFILAPAKQEDEWDKPRIIRFHDIISDAEIEIVKDLAKPRLRRATISNPITGDLETVHYRISKSAWLSGYENPVVSRINMRIQDLTGLDVSTAEELQVANYGVGGQYEPHFDFARKDEPDAFKELGTGNRIATWLFYMSDVSAGGATVFPEVGASVWPKKGTAVFWYNLFASGEGDYSTRHAACPVLVGNKWVSNKWLHERGQEFRRPCTLSELE
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Endoplasmic reticulum lumen.

Function

Function:
Catalyzes the post-translational formation of 4-hydroxyproline in -Xaa-Pro-Gly- sequences in collagens and other proteins.
Catalytic Activity:
L-proline- + 2-oxoglutarate + O(2) = trans-4-hydroxy-L-proline- + succinate + CO(2).
Cofactor:
COFACTOR: Name=Fe(2+); Xref=ChEBI:CHEBI:29033; ; Note=Binds 1 Fe(2+) ion per subunit.;; COFACTOR: Name=L-ascorbate; Xref=ChEBI:CHEBI:38290;
Cross Reference Drug Bank:
DB01275 DB00172 DB00139 DB00126
Gene Ontology Go:
endoplasmic reticulum
endoplasmic reticulum lumen
intracellular membrane-bounded organelle
membrane
mitochondrion
procollagen-proline 4-dioxygenase complex
iron ion binding
L-ascorbic acid binding
oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
procollagen-proline 4-dioxygenase activity
collagen fibril organization
peptidyl-proline hydroxylation to 4-hydroxy-L-proline
Gene Ontology Biological Process:
collagen fibril organization
peptidyl-proline hydroxylation to 4-hydroxy-L-proline
Gene Ontology Molecular Function:
iron ion binding
L-ascorbic acid binding
oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
procollagen-proline 4-dioxygenase activity
Gene Ontology Cellular Component:
endoplasmic reticulum
endoplasmic reticulum lumen
intracellular membrane-bounded organelle
membrane
mitochondrion
procollagen-proline 4-dioxygenase complex
Keywords:
3D-structure
Alternative splicing
Complete proteome
Dioxygenase
Endoplasmic reticulum
Glycoprotein
Iron
Metal-binding
Oxidoreductase
Reference proteome
Signal
TPR repeat
Vitamin C
Interacts With:
P42858

Publication

PubMed ID:
2543975 7961714 15028279 15164054 15489334 19159218 21269460 24275569 25944712 15456751