ID A0A091IG99_CALAN Unreviewed; 614 AA.
AC A0A091IG99;
DT 26-NOV-2014, integrated into UniProtKB/TrEMBL.
DT 26-NOV-2014, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Delta(14)-sterol reductase LBR {ECO:0000256|ARBA:ARBA00017801};
DE EC=1.3.1.70 {ECO:0000256|ARBA:ARBA00012413};
DE AltName: Full=3-beta-hydroxysterol Delta (14)-reductase {ECO:0000256|ARBA:ARBA00032210};
DE AltName: Full=C-14 sterol reductase {ECO:0000256|ARBA:ARBA00030165};
DE AltName: Full=Integral nuclear envelope inner membrane protein {ECO:0000256|ARBA:ARBA00029624};
DE AltName: Full=Lamin-B receptor {ECO:0000256|ARBA:ARBA00030798};
DE AltName: Full=Sterol C14-reductase {ECO:0000256|ARBA:ARBA00031227};
GN ORFNames=N300_13449 {ECO:0000313|EMBL:KFP06503.1};
OS Calypte anna (Anna's hummingbird) (Archilochus anna).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC Coelurosauria; Aves; Neognathae; Caprimulgimorphae; Apodiformes;
OC Trochilidae; Calypte.
OX NCBI_TaxID=9244 {ECO:0000313|EMBL:KFP06503.1, ECO:0000313|Proteomes:UP000054308};
RN [1] {ECO:0000313|EMBL:KFP06503.1, ECO:0000313|Proteomes:UP000054308}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BGI_N300 {ECO:0000313|EMBL:KFP06503.1};
RA Zhang G., Li C.;
RT "Genome evolution of avian class.";
RL Submitted (APR-2014) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4,4-dimethyl-5alpha-cholesta-8,24-dien-3beta-ol + NADP(+) =
CC 4,4-dimethyl-5alpha-cholesta-8,14,24-trien-3beta-ol + H(+) + NADPH;
CC Xref=Rhea:RHEA:18561, ChEBI:CHEBI:15378, ChEBI:CHEBI:17813,
CC ChEBI:CHEBI:18364, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.3.1.70;
CC Evidence={ECO:0000256|ARBA:ARBA00001086};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4,4-dimethyl-8,14-cholestadien-3beta-ol + H(+) + NADPH = 4,4-
CC dimethyl-5alpha-cholest-8-en-3beta-ol + NADP(+);
CC Xref=Rhea:RHEA:46812, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349, ChEBI:CHEBI:78904, ChEBI:CHEBI:87044;
CC Evidence={ECO:0000256|ARBA:ARBA00000573};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5alpha-cholest-8,14-dien-3beta-ol + H(+) + NADPH = 5alpha-
CC cholest-8-en-3beta-ol + NADP(+); Xref=Rhea:RHEA:46456,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16608, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349, ChEBI:CHEBI:86131;
CC Evidence={ECO:0000256|ARBA:ARBA00001598};
CC -!- PATHWAY: Steroid biosynthesis; cholesterol biosynthesis.
CC {ECO:0000256|ARBA:ARBA00004770}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC Endoplasmic reticulum membrane {ECO:0000256|ARBA:ARBA00004586}.
CC Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}. Nucleus inner membrane
CC {ECO:0000256|ARBA:ARBA00004473}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004473}.
CC -!- SIMILARITY: Belongs to the ERG4/ERG24 family.
CC {ECO:0000256|ARBA:ARBA00005402}.
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DR EMBL; KL218535; KFP06503.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A091IG99; -.
DR STRING; 9244.A0A091IG99; -.
DR UniPathway; UPA00063; -.
DR Proteomes; UP000054308; Unassembled WGS sequence.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005637; C:nuclear inner membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0050613; F:delta14-sterol reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006695; P:cholesterol biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd20381; Tudor_LBR; 1.
DR Gene3D; 1.20.120.1630; -; 1.
DR Gene3D; 2.30.30.140; -; 1.
DR InterPro; IPR001171; ERG24_DHCR-like.
DR InterPro; IPR019023; Lamin-B_rcpt_of_tudor.
DR InterPro; IPR018083; Sterol_reductase_CS.
DR InterPro; IPR002999; Tudor.
DR PANTHER; PTHR21257; DELTA(14)-STEROL REDUCTASE; 1.
DR PANTHER; PTHR21257:SF52; DELTA(14)-STEROL REDUCTASE LBR; 1.
DR Pfam; PF01222; ERG4_ERG24; 1.
DR Pfam; PF09465; LBR_tudor; 1.
DR SMART; SM00333; TUDOR; 1.
DR SUPFAM; SSF63748; Tudor/PWWP/MBT; 1.
DR PROSITE; PS01017; STEROL_REDUCT_1; 1.
DR PROSITE; PS01018; STEROL_REDUCT_2; 1.
PE 3: Inferred from homology;
KW Cholesterol biosynthesis {ECO:0000256|ARBA:ARBA00022778};
KW Cholesterol metabolism {ECO:0000256|ARBA:ARBA00022548};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125};
KW Endoplasmic reticulum {ECO:0000256|ARBA:ARBA00022824};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Phosphoprotein {ECO:0000256|ARBA:ARBA00022553};
KW Receptor {ECO:0000256|ARBA:ARBA00023170, ECO:0000313|EMBL:KFP06503.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000054308};
KW Steroid biosynthesis {ECO:0000256|ARBA:ARBA00022955};
KW Steroid metabolism {ECO:0000256|ARBA:ARBA00023221};
KW Sterol biosynthesis {ECO:0000256|ARBA:ARBA00023011};
KW Sterol metabolism {ECO:0000256|ARBA:ARBA00023166};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}.
FT TRANSMEM 207..229
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 256..273
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 294..313
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 325..344
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 455..475
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 481..500
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 521..542
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 562..581
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 4..62
FT /note="Tudor"
FT /evidence="ECO:0000259|SMART:SM00333"
FT REGION 53..108
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 61..84
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 94..108
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 614 AA; 70837 MW; B8FFDD114D8ED69C CRC64;
MPSRRFADGE VVMGRWPGSV LYYEVQVTGY NDVSHLYTVK YKDGTELALK ESDIRSQSSF
KHRKSQSSSS SPSRRSSSRS RSRSPGRPAK GRRRSSSQSR ESKDEKKKTI QETNLALLVL
ICSFVVCENN TRRYNGEPDS TERNDTSCIT LEQKLKPDVE IERVLEQYNL RPRKEEKKKE
EMYSEKKIFE TIKTIEKPSS KREELEFGGR IGTFMLIFFL PATVFYLLLI CKQDDPSLLN
FPPPLPALES LWEPRVFGVF LLWFFLQALF YLLPIGKVVE GLPLSNGKKL HYRINGFYAF
MLTAAAIGTL LYFEFELHYL YDHFMQFAVS AAAFSLVLSI YLYIRSLKAP EEELAPGGNS
GYFVYDFFTG HELNPRIGSF DLKYFCELRP GLIGWVVINL AMLLAEMKIH NLSVPSLSMI
LVNSFQLLYV VDALWNEEAI LTTMDITHDG FGFMLAFGDL VWVPFVYSLQ AFYLVGHPTA
ISWPVAAAIT LLNGIGYYIF RRANSQKNNF RRNPADPKLA YLKFIPTATG KGLLVTGWWG
FVRHPNYLGD IIMALAWSLP CGFNHILPYF YVIYFICLLV HREARDEHHC KQKYGLAWER
YCQRVPYRIF PYIY
//
