SMTL ID : 4omk.1 (1 other biounit)

Crystal structure of SPF bound to squalene

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

monomer

Ligands

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 3 residues within 4Å: Chain A: S.119, K.120, Q.121 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:K.120, A:Q.121, A:Q.121 Water bridges: A:K.120, A:K.120, A:K.120, A:K.120 Salt bridges: A:K.120 SO4.2: 2 residues within 4Å: Chain A: P.198, K.199 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.199 Water bridges: A:L.200 SO4.3: 3 residues within 4Å: Chain A: R.191, M.221, H.234 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.191, A:H.234

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 1 residues within 4Å: Chain A: K.168 Ligand excluded by PLIP

1 x SQL: (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene(Non-covalent)

SQL.5: 33 residues within 4Å: Chain A: L.87, I.106, L.109, A.111, L.114, L.115, L.123, L.124, K.127, I.154, Y.156, C.158, L.161, H.165, L.166, A.170, V.171, A.173, Y.174, F.177, L.178, F.181, L.189, L.192, V.194, F.201, A.204, Y.205, I.208, L.212, T.216, I.220 Ligands: IPA.6 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:L.87, A:L.109, A:A.111, A:L.114, A:L.124, A:K.127, A:Y.156, A:Y.156, A:L.161, A:H.165, A:L.166, A:V.171, A:A.173, A:Y.174, A:Y.174, A:F.177, A:L.178, A:L.192, A:A.204, A:I.208, A:I.208, A:T.216, A:I.220

1 x IPA: ISOPROPYL ALCOHOL(Non-functional Binders)

IPA.6: 11 residues within 4Å: Chain A: W.102, D.104, K.127, E.130, C.131, L.134, I.152, I.154, F.177, F.181 Ligands: SQL.5 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:E.130, A:I.154 Hydrogen bonds: A:D.104, A:K.127

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Christen, M. et al., Structural insights on cholesterol endosynthesis: Binding of squalene and 2,3-oxidosqualene to supernatant protein factor. J.Struct.Biol. (2015)

Release Date

2015-04-15

Peptides

SEC14-like protein 2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

SEC14-like protein 2

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