SMTL ID : 8dj7.1

The complex structure between human IgG1 Fc and its high affinity receptor FcgRI H174R variant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.39 Å

Oligo State

hetero-2-1-mer

Ligands

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

NAG-NAG-BMA-MAN-NAG-MAN-NAG-FUC.1: 13 residues within 4Å: Chain A: F.13, F.15, K.18, T.32, V.34, V.36, D.37, Q.67, Y.68, N.69, T.71, R.73 Chain C: R.156 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.68 Hydrogen bonds: A:K.18, A:T.32

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

NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-FUC.2: 19 residues within 4Å: Chain B: F.13, F.15, P.16, P.17, K.18, E.30, T.32, V.34, V.36, D.37, Q.67, Y.68, N.69, T.71, R.73, K.106 Chain C: L.118, R.157 Ligands: SO4.3 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:Y.68, B:N.69, B:F.13 Water bridges: B:Y.68, B:K.18, B:K.18 Hydrogen bonds: B:F.15, B:D.21, B:D.21, B:E.30, B:E.30, B:E.30, B:T.32

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

SO4.3: 5 residues within 4Å: Chain B: K.62, E.65, R.73, V.75 Ligands: NAG-NAG-BMA-MAN-NAG-GAL-MAN-NAG-FUC.2 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.65 Salt bridges: B:K.62, B:R.73 SO4.4: 3 residues within 4Å: Chain C: V.82, H.83, R.84 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:V.82, C:R.84 Salt bridges: C:H.83

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lu, J. et al., Fc gamma RI FG-loop functions as a pH sensitive switch for IgG binding and release. Front Immunol (2023)

Release Date

2023-05-10

Peptides

Ig gamma-1 Fc chain: AB
High affinity immunoglobulin gamma Fc receptor I: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

C
C

Ig gamma-1 Fc chain

High affinity immunoglobulin gamma Fc receptor I

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