SMTL ID : 1xz4.1

Intersubunit Interactions Associated with Tyr42alpha Stabilize the Quaternary-T Tetramer but are not Major Quaternary Constraints in Deoxyhemoglobin: alphaY42A deoxyhemoglobin no-salt

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-2-2-mer

Ligands

4 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 16 residues within 4Å: Chain A: A.42, F.43, H.45, F.46, H.58, K.61, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, L.136 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:F.43, A:F.43, A:F.43, A:L.83, A:L.86, A:L.91, A:L.91, A:V.93, A:N.97, A:F.98, A:L.101, A:L.136 Salt bridges: A:H.45, A:K.61, A:K.61 pi-Cation interactions: A:H.58 Metal complexes: A:H.87 HEM.2: 16 residues within 4Å: Chain B: L.31, F.41, F.42, H.63, K.66, V.67, A.70, L.88, L.91, H.92, L.96, V.98, N.102, F.103, L.106, L.141 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:L.31, B:F.41, B:F.42, B:F.42, B:F.42, B:K.66, B:V.67, B:V.67, B:L.88, B:L.91, B:L.96, B:L.96, B:V.98, B:N.102, B:F.103, B:L.141 Salt bridges: B:K.66 pi-Stacking: B:H.63 Metal complexes: B:H.92 HEM.3: 14 residues within 4Å: Chain C: A.42, F.43, H.45, H.58, K.61, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, L.136 15 PLIP interactions: 15 interactions with chain C, Hydrophobic interactions: C:A.42, C:F.43, C:F.43, C:F.43, C:L.83, C:L.86, C:L.91, C:L.91, C:V.93, C:V.93, C:F.98, C:L.136 Salt bridges: C:H.45 pi-Stacking: C:H.58 Metal complexes: C:H.87 HEM.4: 16 residues within 4Å: Chain D: F.41, F.42, F.45, H.63, V.67, A.70, L.88, L.91, H.92, L.96, V.98, N.102, F.103, L.106, V.137, L.141 18 PLIP interactions: 18 interactions with chain D, Hydrophobic interactions: D:F.41, D:F.41, D:F.42, D:F.42, D:V.67, D:A.70, D:L.88, D:L.91, D:L.96, D:L.96, D:V.98, D:V.98, D:L.106, D:V.137, D:L.141 Salt bridges: D:K.66 pi-Stacking: D:H.63 Metal complexes: D:H.92

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kavanaugh, J.S. et al., Intersubunit interactions associated with tyr42alpha stabilize the quaternary-T tetramer but are not major quaternary constraints in deoxyhemoglobin. Biochemistry (2005)

Release Date

2004-11-30

Peptides

Hemoglobin alpha chain: AC
Hemoglobin beta chain: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Hemoglobin alpha chain

Hemoglobin beta chain

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