SMTL ID : 7pqn.1

Catalytic fragment of MASP-2 in complex with ecotin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-2-2-2-mer

Ligands

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 6 residues within 4Å: Chain D: Y.30, D.31, N.32, W.33, I.239, F.242 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:D.31, D:N.32, D:F.242 GOL.2: 8 residues within 4Å: Chain E: P.74, C.76 Chain F: L.29, Y.30, P.106, I.107, C.108, L.109 4 PLIP interactions: 3 interactions with chain F, 1 interactions with chain E Hydrogen bonds: F:Y.30, F:L.109, E:P.74 Water bridges: F:L.109 GOL.3: 8 residues within 4Å: Chain F: L.109, P.110, R.111, A.114, D.197, T.200, R.202, F.204 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:L.109, F:R.111, F:T.200, F:T.200

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nagy, Z.A. et al., Synergy of protease-binding sites within the ecotin homodimer is crucial for inhibition of MASP enzymes and for blocking lectin pathway activation. J.Biol.Chem. (2022)

Release Date

2022-05-18

Peptides

Ecotin: AB
Mannan-binding lectin serine protease 2 A chain: CE
Mannan-binding lectin serine protease 2 B chain: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
A

E
aa

D
B

F
bb

Ecotin

Mannan-binding lectin serine protease 2 A chain

Mannan-binding lectin serine protease 2 B chain

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