SMTL ID : 3sgk.2 (1 other biounit)

Unique carbohydrate/carbohydrate interactions are required for high affinity binding of FcgIII and antibodies lacking core fucose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-1-2-mer

Ligands

1 x NAG- NAG- BMA- MAN- MAN- MAN- MAN- MAN: alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-MAN-MAN-MAN-MAN.1: 4 residues within 4Å: Chain A: K.120, R.155, L.157, N.162 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.155, A:R.155

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.2: 5 residues within 4Å: Chain A: H.44, N.45, V.63, D.64, S.66 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.66

2 x NAG- NAG- BMA- MAN- NAG- MAN- NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)][2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Non-functional Binders)

NAG-NAG-BMA-MAN-NAG-MAN-NAG-NAG.3: 12 residues within 4Å: Chain B: F.19, L.20, F.21, K.24, T.38, V.42, D.43, Q.73, N.75, T.77, R.79, K.112 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:F.21 NAG-NAG-BMA-MAN-NAG-MAN-NAG-NAG.4: 10 residues within 4Å: Chain C: F.19, F.21, K.24, T.38, V.42, D.43, Q.73, N.75, R.79, K.112 1 PLIP interactions: 1 interactions with chain C Water bridges: C:R.79

1 x MLI: MALONATE ION(Non-functional Binders)

MLI.5: 9 residues within 4Å: Chain A: F.43, E.46, S.47, L.48 Chain B: L.29, M.30, I.31, N.212, H.213 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:F.43 Hydrogen bonds: A:L.48, B:I.31 Water bridges: A:L.48, B:H.213 Salt bridges: B:H.213, B:H.213

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ferrara, C. et al., Unique carbohydrate-carbohydrate interactions are required for high affinity binding between FcgammaRIII and antibodies lacking core fucose. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-08-03

Peptides

human Fcg3a receptor: A
Fc fragment: BC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

human Fcg3a receptor

Fc fragment

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