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MolNFT v1 · #75593 · protein

Crystal structure of a pre-translocation state mbp-maltose transporter complex bound to AMP-pnp

3PUZ · Maltose transporter subunit: “Crystal structure of a pre-translocation state mbp-maltose transporter complex bound to AMP-pnp”. X-ray diffraction, 4 ligands (ANP, PGV, GLC), 20 pockets (best druggability 0.87). MolNFT v1 #75593 on…

PDB
3PUZ
Type
protein
Length
1,873 residues
Chains
5
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Maltose transporter subunit; Fused maltose transport subunit, ATP-binding component of…
UniProt
B1XC33, B1XC32, B1XC31, B1XC34
Ligands
ANP, PGV, GLC, MG
Pockets
20 · best druggability 0.87

Structure

x-ray diffraction · 4 distinct chains · 46% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
EMaltose transporter subunitprotein37044% helix, 18% strandB1XC33
FMaltose transporter subunitprotein48151% helix, 15% strandB1XC32
GMaltose transporter subunitprotein28266% helix, 2% strandB1XC31
A, BFused maltose transport subunit, ATP-binding component of ABC superfamilyprotein37025% helix, 34% strandB1XC34

Ligands and binding sites

  • ANP · Phosphoaminophosphonic acid-adenylate ester · ligand · 2 copies · chains A, B
  • PGV · (1R)-2-{[{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy) phosphoryl]oxy}-1-[(palmitoyloxy)methyl]ethyl (11E)-octadec-11-enoate · ligand · chains F, G
  • GLC · alpha-D-glucopyranose · sugar · 4 copies · chains E, G, F
  • MG · Magnesium ion · metal · 2 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 13 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17220.870.9090empty
211820.850.8691GLC
39320.810.8393empty
42080.790.9329GLC
55090.770.8462empty

Interfaces

7 interfaces between chains.

  • F–G · 3870 Ų buried · 8 hydrogen bonds · protein-protein
  • A–B · 1854 Ų buried · 18 hydrogen bonds · protein-protein
  • E–F · 1700 Ų buried · 16 hydrogen bonds · protein-protein
  • E–G · 1073 Ų buried · 9 hydrogen bonds · protein-protein
  • F–B · 790 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 1 disulfide (disulfide).

Compared structures

  • 3PUZ · Crystal Structure of a pre-translocation state MBP-Maltose transporter complex bound to… · the same entry in another collection · chain E against E, TM-score 1.00

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