P3H1_STRSQ
ID P3H1_STRSQ Reviewed; 290 AA.
AC P96010;
DT 20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1997, sequence version 1.
DT 03-AUG-2022, entry version 61.
DE RecName: Full=L-proline cis-3-hydroxylase 1;
DE Short=P3H 1;
DE EC=1.14.11.28;
DE AltName: Full=Proline 3-hydroxylase 1;
DE AltName: Full=Proline 3-hydroxylase type I;
OS Streptomyces sp.
OC Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC Streptomyces.
OX NCBI_TaxID=1931;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-29; 43-67 AND
RP 185-209, FUNCTION, CATALYTIC ACTIVITY, COFACTOR, ACTIVITY REGULATION, AND
RP SUBSTRATE SPECIFICITY.
RC STRAIN=TH1 / FERM BP-4399;
RX PubMed=9294421; DOI=10.1128/jb.179.18.5677-5683.1997;
RA Mori H., Shibasaki T., Yano K., Ozaki A.;
RT "Purification and cloning of a proline 3-hydroxylase, a novel enzyme which
RT hydroxylates free L-proline to cis-3-hydroxy-L-proline.";
RL J. Bacteriol. 179:5677-5683(1997).
RN [2]
RP FUNCTION, CATALYTIC ACTIVITY, COFACTOR, ACTIVITY REGULATION,
RP BIOPHYSICOCHEMICAL PROPERTIES, AND SUBSTRATE SPECIFICITY.
RC STRAIN=TH1 / FERM BP-4399;
RA Shibasaki T., Mori H., Ozaki A.;
RT "Cloning of an isozyme of proline 3-hydroxylase and its purification from
RT recombinant Escherichia coli.";
RL Biotechnol. Lett. 22:1967-1973(2000).
CC -!- FUNCTION: Dioxygenase that catalyzes the 2-oxoglutarate-dependent
CC selective hydroxylation of free L-proline to cis-3-hydroxy-L-proline
CC (cis-3-Hyp). D-proline, trans-4-hydroxy-L-proline, cis-4-hydroxy-L-
CC proline, cis-4-hydroxy-D-proline, and 3,4-dehydro-DL-proline are not
CC substrates. {ECO:0000269|PubMed:9294421, ECO:0000269|Ref.2}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + L-proline + O2 = cis-3-hydroxy-L-proline +
CC CO2 + succinate; Xref=Rhea:RHEA:20265, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:16810, ChEBI:CHEBI:30031,
CC ChEBI:CHEBI:60039, ChEBI:CHEBI:60041; EC=1.14.11.28;
CC Evidence={ECO:0000269|PubMed:9294421, ECO:0000269|Ref.2};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000269|PubMed:9294421, ECO:0000269|Ref.2};
CC Note=Binds 1 Fe(2+) ion. {ECO:0000269|PubMed:9294421,
CC ECO:0000269|Ref.2};
CC -!- ACTIVITY REGULATION: Inhibited by metal ions such as Co(2+), Zn(2+),
CC Ni(2+) or Cu(2+). Is also inhibited by EDTA in vitro. Unlike the
CC procollagen-proline cis-3- and trans-4-hydroxylases from mammals, does
CC not necessarily require L-ascorbate for activity although it does
CC increase the activity of the enzyme. {ECO:0000269|PubMed:9294421,
CC ECO:0000269|Ref.2}.
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Kinetic parameters:
CC KM=0.20 mM for L-proline {ECO:0000269|Ref.2};
CC KM=0.083 mM for 2-oxoglutarate {ECO:0000269|Ref.2};
CC Note=Comparison of both proline 3-hydroxylase isozymes shows that
CC type II enzyme has 1.8-fold higher activity than type I upon L-
CC proline, and 24-fold higher activity upon L-2-azetidinecarboxylic
CC acid.;
CC pH dependence:
CC Optimum pH is 6.0. Is stable from pH 5.5 to 8.5. {ECO:0000269|Ref.2};
CC Temperature dependence:
CC Optimum temperature is 35 degrees Celsius. Is stable below 30 degrees
CC Celsius. {ECO:0000269|Ref.2};
CC -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the L-proline cis-4-/cis-3-hydroxylase family.
CC {ECO:0000305}.
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DR EMBL; AB007189; BAA22406.1; -; Genomic_DNA.
DR AlphaFoldDB; P96010; -.
DR SMR; P96010; -.
DR KEGG; ag:BAA22406; -.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0033763; F:proline 3-hydroxylase activity; IEA:UniProtKB-EC.
DR GO; GO:0018193; P:peptidyl-amino acid modification; IEA:InterPro.
DR Gene3D; 1.10.1720.10; -; 1.
DR Gene3D; 2.60.120.330; -; 1.
DR InterPro; IPR007803; Asp/Arg/Pro-Hydrxlase.
DR InterPro; IPR027443; IPNS-like_sf.
DR InterPro; IPR008035; Pro_3_hydrox_C.
DR InterPro; IPR037037; Pro_3_hydrox_C_sf.
DR Pfam; PF05118; Asp_Arg_Hydrox; 1.
DR Pfam; PF05373; Pro_3_hydrox_C; 1.
PE 1: Evidence at protein level;
KW Dioxygenase; Direct protein sequencing; Iron; Metal-binding;
KW Oxidoreductase.
FT CHAIN 1..290
FT /note="L-proline cis-3-hydroxylase 1"
FT /id="PRO_0000393426"
FT BINDING 107
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000250"
FT BINDING 109
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000250"
FT BINDING 158
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000250"
FT BINDING 168
FT /ligand="2-oxoglutarate"
FT /ligand_id="ChEBI:CHEBI:16810"
FT /evidence="ECO:0000255"
SQ SEQUENCE 290 AA; 33154 MW; 7AC1A538D0FB294C CRC64;
MRSHILGRIE LDQERLGRDL EYLATVPTVE EEYDEFSNGF WKNIPLYNAS GGSEDRLYRD
LEGSPAQPTK HAEQVPYLNE IITTVYNGER LQMARTRNLK NAVVIPHRDF VELDRELDQY
FRTHLMLEDS PLAFHSDDDT VIHMRAGEIW FLDAAAVHSA VNFAEFSRQS LCVDLAFDGA
FDEKEAFADA TVYAPNLSPD VRERKPFTKE REAGILALSG VIGRENFRDI LFLLSKVHYT
YDVHPGETFE WLVSVSKGAG DDKMVEKAER IRDFAIGARA LGERFSLTTW