SMTL ID : 6uea.1

Structure of pentameric sIgA complex

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-10-1-1-mer

Ligands

4 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 1 residues within 4Å: Chain A: N.110 No protein-ligand interaction detected (PLIP) NAG-NAG.3: 2 residues within 4Å: Chain C: E.71, N.72 No protein-ligand interaction detected (PLIP) NAG-NAG.4: 4 residues within 4Å: Chain C: Q.412, N.451, W.523, Y.541 No protein-ligand interaction detected (PLIP) NAG-NAG.6: 1 residues within 4Å: Chain E: N.110 No protein-ligand interaction detected (PLIP)

3 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.2: 1 residues within 4Å: Chain B: N.110 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.5: 2 residues within 4Å: Chain D: N.49, S.51 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.7: 2 residues within 4Å: Chain F: T.93, N.110 No protein-ligand interaction detected (PLIP)

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.8: 4 residues within 4Å: Chain C: R.63, N.65, T.67, N.78 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:N.78 Hydrogen bonds: C:T.67 NAG.9: 1 residues within 4Å: Chain C: N.403 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumar, N. et al., Structure of the secretory immunoglobulin A core. Science (2020)

Release Date

2020-02-19

Peptides

Immunoglobulin heavy constant alpha 2: ABEFGHIJKL
Polymeric immunoglobulin receptor: C
Immunoglobulin J chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

E
F

F
G

G
K

H
L

I
E

J
H

K
I

L
J

C
C

D
D

Immunoglobulin heavy constant alpha 2

Polymeric immunoglobulin receptor

Immunoglobulin J chain

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