SMTL ID : 7pqo.1 (1 other biounit)

Catalytic fragment of MASP-1 in complex with P1 site mutant ecotin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.39 Å

Oligo State

hetero-2-2-mer

Ligands

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 3 residues within 4Å: Chain A: D.234, E.235, E.237 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.237 GOL.3: 3 residues within 4Å: Chain B: N.81, D.90 Chain C: E.257 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.81, B:D.90 GOL.4: 3 residues within 4Å: Chain C: D.234, E.235, E.237 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:E.237 GOL.6: 3 residues within 4Å: Chain A: E.257 Chain D: N.81, D.90 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.81, D:D.90

2 x NA: SODIUM ION(Non-functional Binders)

NA.2: 2 residues within 4Å: Chain A: S.217, D.220 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.217, A:D.220 NA.5: 2 residues within 4Å: Chain C: S.217, D.220 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.217, C:S.217

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

Mannan-binding lectin serine protease 1: AC
Ecotin: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

C
C

B
K

D
K

Mannan-binding lectin serine protease 1

Ecotin

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