SMTL ID : 1ok1.1

Decay accelerating factor (cd55) : the structure of an intact human complement regulator.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

4 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 8 residues within 4Å: Chain A: P.134, I.154, F.156, S.170, W.181, D.183, P.184, L.185 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.154, A:F.156, A:W.181 Hydrogen bonds: A:D.183 Water bridges: A:L.185 ACT.2: 3 residues within 4Å: Chain A: R.208, D.209, H.210 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:D.209 Hydrogen bonds: A:D.209, A:H.210 Salt bridges: A:R.208 ACT.8: 8 residues within 4Å: Chain B: P.134, I.154, F.156, S.170, W.181, D.183, P.184, L.185 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:I.154, B:F.156, B:W.181, B:L.185 Hydrogen bonds: B:D.183, B:L.185 ACT.9: 3 residues within 4Å: Chain B: L.72, N.73, S.74 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:N.73 Hydrogen bonds: B:N.73, B:S.74

9 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 4 residues within 4Å: Chain A: Q.205, S.216, V.217, T.218 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.218, A:T.218 Water bridges: A:S.216, A:S.216, A:T.218 GOL.4: 8 residues within 4Å: Chain A: Q.205, Y.219, A.220, C.221, M.227, H.231 Chain B: N.133, I.148 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:C.221, B:N.133 Water bridges: A:F.225 GOL.5: 5 residues within 4Å: Chain A: V.237, N.238, N.239, D.240 Chain B: R.214 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:N.238, A:N.239, A:D.240, B:R.214 Water bridges: A:D.240 GOL.6: 6 residues within 4Å: Chain A: Q.141, N.159, T.160 Chain B: R.214, Q.215, S.216 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Q.141, A:T.160, A:T.160, B:S.216 GOL.10: 6 residues within 4Å: Chain A: E.230 Chain B: Q.141, D.143, S.155, F.156, S.157 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.141, B:D.143, B:F.156 GOL.11: 4 residues within 4Å: Chain B: I.199, D.200, E.250, C.251 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.200, B:C.251 GOL.12: 5 residues within 4Å: Chain B: P.8, D.9, P.11, I.58, E.60 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:I.58 Water bridges: B:E.60 GOL.13: 3 residues within 4Å: Chain B: P.41, Q.84, Y.86 No protein-ligand interaction detected (PLIP) GOL.15: 1 residues within 4Å: Chain B: Q.198 No protein-ligand interaction detected (PLIP)

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

SO4.7: 8 residues within 4Å: Chain A: Y.213, R.214, Y.234, T.236, V.237, N.238 Chain B: Y.213, R.214 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:V.237, A:V.237 Water bridges: A:N.238 Salt bridges: A:R.214, B:R.214 SO4.14: 6 residues within 4Å: Chain B: S.36, F.37, V.38, S.65, C.66, E.67 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:S.36, B:F.37, B:E.67 Water bridges: B:S.65

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lukacik, P. et al., Complement Regulation at the Molecular Level: The Structure of Decay-Accelerating Factor. Proc.Natl.Acad.Sci.USA (2004)

Release Date

2004-01-07

Peptides

COMPLEMENT DECAY-ACCELERATING FACTOR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

COMPLEMENT DECAY-ACCELERATING FACTOR

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