SMTL ID : 6qip.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.45 Å

Oligo State

hetero-1-1-1-mer

Ligands

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

MES.1: 8 residues within 4Å: Chain A: L.387, N.391, L.407, R.410, Y.411, L.430, L.453, S.489 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.410 Salt bridges: A:K.414

1 x JG5: Somapacitan(Non-covalent)

JG5.2: 18 residues within 4Å: Chain A: R.209, A.210, K.212, A.213, V.216, F.228, A.229, S.232, D.324, V.325, L.347, A.350, K.351, E.354, S.480, L.481, V.482 Ligands: BME.3 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:A.210, A:V.216, A:A.350, A:K.351, A:V.482 Hydrogen bonds: A:K.212, A:S.232, A:S.232, A:S.480, A:L.481, A:V.482

1 x BME: BETA-MERCAPTOETHANOL(Non-functional Binders)

BME.3: 1 residues within 4Å: Ligands: JG5.2 No protein-ligand interaction detected (PLIP)

1 x CYS: CYSTEINE(Non-covalent)

CYS.4: 7 residues within 4Å: Chain B: Q.34, S.37, E.46, P.47, C.48 Chain C: S.52, D.53 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:D.53, C:D.53, B:Q.34

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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