SMTL ID : 9ga6.1

The crystal structure of human Annexin A4 derived from crystals grown in 40 mM of CaCl2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.27 Å

Oligo State

monomer

Ligands

3 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: M.27, G.29, G.31, E.71 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:M.27, A:G.29, A:G.31, A:E.71, H2O.10 CA.2: 6 residues within 4Å: Chain A: M.99, G.101, A.102, G.103, T.104, D.143 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:M.99, A:G.101, A:G.103 CA.3: 4 residues within 4Å: Chain A: M.258, G.260, G.262, D.302 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:M.258, A:G.262, A:D.302, H2O.5, H2O.9

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 6 residues within 4Å: Chain A: L.166, D.168, V.171, R.172, H.207, E.211 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.172, A:E.211 Water bridges: A:H.207 GOL.5: 4 residues within 4Å: Chain A: R.150, V.153, S.154, L.194 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.150 GOL.6: 3 residues within 4Å: Chain A: D.138, R.141, S.142 No protein-ligand interaction detected (PLIP)

6 x SO4: SULFATE ION(Non-functional Binders)

SO4.7: 2 residues within 4Å: Chain A: R.24, K.28 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.24 Salt bridges: A:R.24, A:K.28 SO4.8: 4 residues within 4Å: Chain A: R.24, K.28, G.29, R.62 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.29 Water bridges: A:M.27, A:G.29, A:R.62 Salt bridges: A:R.24, A:R.62 SO4.9: 3 residues within 4Å: Chain A: R.284, G.317, D.318 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.318 Water bridges: A:R.284, A:R.284, A:R.284, A:R.284 Salt bridges: A:R.284 SO4.10: 4 residues within 4Å: Chain A: R.96, K.100, G.101, R.134 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.101 Water bridges: A:R.134, A:R.134, A:R.134 Salt bridges: A:R.96, A:R.134 SO4.11: 2 residues within 4Å: Chain A: G.101, A.102 1 PLIP interactions: 1 interactions with chain A Water bridges: A:G.103 SO4.12: 2 residues within 4Å: Chain A: R.122, Q.126 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.126 Salt bridges: A:R.122

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Di Micco, S. et al., Computational, crystallographic, and biophysical characterizations provide insights into calcium and phosphate binding by human annexin A4. Int.J.Biol.Macromol. (2025)

Release Date

2025-06-04

Peptides

Annexin A4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Annexin A4

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