6M4N,7YJK


Conserved Protein Domain Family
SPT_ssu-like

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pfam11779: SPT_ssu-like (This model is not part of the current CDD release)
Small subunit of serine palmitoyltransferase-like
Serine palmitoyltransferase (SPT) catalyzes the first committed step in sphingolipid biosynthesis. In mammals, two small subunits of serine palmitoyltransferase, ssSPTa and ssSPTb, substantially enhance the activity of SPT, conferring full enzyme activity upon it. The 2 ssSPT isoforms share a conserved hydrophobic central domain, which is predicted to reside in the membrane.
Statistics
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PSSM-Id: 519879
Aligned: 57 rows
Threshold Bit Score: 45.2723
Created: 15-Feb-2025
Updated: 28-Apr-2025
Structure
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Program:
Drawing:
Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
6M4N_D              31 WKQMSWFYYQYLLVTALYMLE-PWERTVF------------NSM----------LVSIVGMALYTGYVF----MPQHIMA 83  human
Q0D6S2               4 MNWVSRKIHLYNVTMGLYMLD-WWERCLF------------SILfhltpycllqIIIIAIFLLILSSGF----WLDSirf 66  Japanese ...
XP_052163491         4 MNWVSRKIHLYNVTMGLYMLD-WWERCLF------------NMM----------VLILLWFVCFNGSRFasdvFDSHLKA 60 
ELU43916           231 KRFLWRRQIWFESTFALSMLE-PWEKILIsesscsaadaeeLAL----------IF-VWSLFITGAVRY----LPNHIST 294
XP_011386919        79 ERTLFRAYWNIEGTFVLSMLE-VWEVFLV------------IVV----------FCLLTLLLWYSLIHY----FPRHAQQ 131
XP_016295125        80 ERNLFRTYWNIEGTFVLSMLE-AWEVFLV------------ICV----------FITLTLLLCYTVVHY----LPRHASE 132
2_pfamImport         1 -NKIKRLKLALEATTAMNMLE-PFEYYAM------------YTV----------ILLLFFLALYGCYWF----LPSHLRH 52 
EPB86869             5 RSFLSTKLYQYELQTALYMLE-PWEKALF------------NTI----------VLSIVSLSVVTMYQY----TPVLFKL 57 
XP_007873056         7 iRFLKKKYIQYEVTFALNMLT-TTEKIIV------------NFI----------FISITALVLMSVYVY----FPEHLRQ 59 
WGS:AAAA:OsI_25837   4 MNWVSRKIHLYNVTMGLYMLDcCFPLTGV------------DIM----------VLILLWFICFNGSRFasdvFESPSFA 61 
6M4N_D              84 I 84  human
Q0D6S2              67 g 67  Japanese rice
XP_052163491        61 R 61 
ELU43916           295 M 295
XP_011386919       132 V 132
XP_016295125       133 V 133
2_pfamImport        53 L 53 
EPB86869            58 l 58 
XP_007873056        60 L 60 
WGS:AAAA:OsI_25837  62 I 62 
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