SMTL ID : 6qio.1

Ternary complex of FcRn ectodomain, FcRn binding optimised human serum albumin and the human growth hormone derivative somapacitan

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.1: 15 residues within 4Å: Chain A: L.387, I.388, N.391, F.403, L.407, R.410, Y.411, K.414, L.430, V.433, L.453, L.457, R.485, F.488, S.489 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.411, A:S.489 Salt bridges: A:K.414

2 x CYS: CYSTEINE(Non-functional Binders)(Non-covalent)

CYS.2: 1 residues within 4Å: Ligands: JG5.3 No protein-ligand interaction detected (PLIP) CYS.4: 7 residues within 4Å: Chain B: Q.34, S.37, P.47, C.48, G.49 Chain C: S.52, D.53 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain C Hydrogen bonds: B:Q.34, C:D.53, C:D.53 Water bridges: C:S.52

1 x JG5: Somapacitan(Non-covalent)

JG5.3: 23 residues within 4Å: Chain A: F.206, R.209, A.210, K.212, A.213, V.216, F.228, A.229, S.232, V.235, D.324, V.325, L.327, G.328, L.331, L.347, A.350, K.351, E.354, S.480, L.481, V.482 Ligands: CYS.2 17 PLIP interactions: 16 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:A.210, A:K.212, A:A.213, A:V.216, A:L.327, A:A.350, A:K.351, A:V.482 Hydrogen bonds: A:K.212, A:S.232, A:S.480, A:S.480, A:L.481, A:V.482, C.2 Water bridges: A:R.209 Salt bridges: A:K.233

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Johansson, E. et al., Identification of Binding Sites on Human Serum Albumin for Somapacitan, a Long-Acting Growth Hormone Derivative. Biochemistry (2020)

Release Date

2020-02-05

Peptides

Serum albumin: A
IgG receptor FcRn large subunit p51: B
Beta-2-microglobulin: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Serum albumin

IgG receptor FcRn large subunit p51

Beta-2-microglobulin

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