SMTL ID : 3s9n.2 (1 other biounit)

Complex between transferrin receptor 1 and transferrin with iron in the N-Lobe, room temperature

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.25 Å

Oligo State

hetero-2-2-mer

Ligands

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

NAG.1: 4 residues within 4Å: Chain A: F.81, N.211, E.277 Chain C: W.535 2 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:W.535 Hydrogen bonds: A:E.277 NAG.5: 4 residues within 4Å: Chain A: W.535 Chain C: F.81, N.211, E.277 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:W.535 Hydrogen bonds: C:E.277

2 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: T.204, F.207, P.208, E.359, E.362 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:T.204, A:T.204, A:F.207, A:E.359, A:E.362 CA.6: 5 residues within 4Å: Chain C: T.204, F.207, P.208, E.359, E.362 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:T.204, C:T.204, C:F.207, C:E.359, C:E.362

2 x FE: FE (III) ION(Non-covalent)

FE.3: 5 residues within 4Å: Chain B: D.77, Y.109, R.138, H.263 Ligands: CO3.4 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.77, B:Y.109, B:H.263 FE.7: 5 residues within 4Å: Chain D: D.77, Y.109, R.138, H.263 Ligands: CO3.8 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:D.77, D:Y.109, D:H.263

2 x CO3: CARBONATE ION(Non-functional Binders)

CO3.4: 7 residues within 4Å: Chain B: D.77, Y.109, R.138, S.139, A.140, G.141 Ligands: FE.3 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:A.140, B:G.141 CO3.8: 7 residues within 4Å: Chain D: D.77, Y.109, R.138, S.139, A.140, G.141 Ligands: FE.7 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:A.140, D:G.141

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Eckenroth, B.E. et al., How the binding of human transferrin primes the transferrin receptor potentiating iron release at endosomal pH. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-08-10

Peptides

Transferrin receptor protein 1: AC
Serotransferrin: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

C
B

B
D

D
D

Transferrin receptor protein 1

Serotransferrin

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