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4OMK

Crystal structure of SPF bound to squalene

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
SEC14-like protein 2polymer27831989.12UniProt (O76054)
Pfam (PF03765)
Pfam (PF00650)
Homo sapiens (human)Alpha-tocopherol-associated protein, TAP, hTAP, Squalene transfer protein, Supernatant protein factor, SPF
2C, D, E, I, J...
(A, B)
SULFATE IONnon-polymer96.16Chemie (SO4)
3F, L
(A, B)
CHLORIDE IONnon-polymer35.52Chemie (CL)
PubChem (312)
4G, M
(A, B)
(6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaenenon-polymer410.72Chemie (SQL)
PubChem (24871318)
PubChem (25244109)
PubChem (638072)
PubChem (60123235)
PubChem (1105)
PubChem (11975273)
PubChem (15555220)
PubChem (15555221)
PubChem (98100390)
PubChem (98100391)
PubChem (92034525)
PubChem (5280370)
PubChem (131954652)
PubChem (140570403)
PubChem (177696489)
5H, N
(A, B)
ISOPROPYL ALCOHOLnon-polymer60.12Chemie (IPA)
6O, P
(A, B)
waterwater18.0853Chemie (HOH)
Sequence modifications
A, B: 1 - 275 (UniProt: O76054)
PDBExternal DatabaseDetails
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight63978.2
Non-Polymers*Number of molecules12
Total formula weight1588.9
All*Total formula weight65567.1
*Water molecules are not included.

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PDB entries from 2026-04-01

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