SMTL ID : 1ojy.2 (1 other biounit)

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

2 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 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:I.154, A:F.156, A:W.181, A:L.185 Hydrogen bonds: A:S.170, A:D.183 Water bridges: A:L.185 ACT.4: 8 residues within 4Å: Chain B: P.134, I.154, F.156, S.170, W.181, D.183, P.184, L.185 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.181, B:L.185 Hydrogen bonds: B:S.170

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 6 residues within 4Å: Chain A: R.214, Q.215, S.216 Chain B: Q.141, N.159, T.160 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:S.216, B:Q.141, B:T.160 Water bridges: B:N.159 GOL.5: 7 residues within 4Å: Chain B: F.156, S.157, C.158, Y.162, K.163, L.164, D.240 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:F.156, B:C.158, B:L.164 GOL.6: 7 residues within 4Å: Chain B: P.7, P.8, D.9, V.10, A.13, Q.14, P.15 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:V.10, B:A.13, B:Q.14, B:Q.14 GOL.7: 4 residues within 4Å: Chain A: R.138 Chain B: R.208, Q.215, S.216 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.215, B:S.216, B:S.216

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

SO4.3: 8 residues within 4Å: Chain A: Y.213, R.214 Chain B: Y.213, R.214, Y.234, T.236, V.237, N.238 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:V.237, B:N.238, A:Y.213, A:Y.213 Salt bridges: B:R.214, A:R.214

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
B

B
D

COMPLEMENT DECAY-ACCELERATING FACTOR

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