2XDG: Growth hormone-releasing hormone receptor

Crystal structure of the extracellular domain of human growth hormone releasing hormone receptor. Determined by X-ray diffraction at 1.95 Å resolution. Released 16 Jun 2010.

Method
X-ray diffraction
Resolution
1.95 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
1,413
Mol. weight
20.25 kDa
Ligands
MG
Released
16 Jun 2010

Explore 2XDG in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2XDG contains 14 α-helices and 16 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 6 helices, 8 β-strands

ElementResiduesLengthSheet
α-helix34-4512
β-strand5511
β-strand58-5922
β-strand64-6522
α-helix66-672
β-strand6811
β-strand72-7653
α-helix77-793
α-helix80-845
β-strand92-9763
β-strand100-10123
β-strand10513
α-helix108-1114
α-helix116-1194
Chain B: 8 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix34-4613
β-strand5514
β-strand58-5925
β-strand64-6525
α-helix66-672
β-strand6814
β-strand72-7656
α-helix77-793
α-helix80-845
β-strand92-9766
β-strand100-10126
α-helix102-1043
β-strand10516
α-helix108-1114
α-helix113-1153
α-helix116-1183

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Growth hormone-releasing hormone receptorA, Bprotein92HOMO SAPIENSQ02643 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>2XDG_1 GROWTH HORMONE-RELEASING HORMONE RECEPTOR (chains A, B)
SMLREDESACLQAAEEMPQTTLGCPATWDGLLCWPTAGSGEWVTLPCPDFFSHFSSESGA
VKRDCTITGWSEPFPPYPVACPVPLELLAEEE

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg3

Water and common crystallization additives (EDO) are not listed.

Primary citation

Crystal Structure of the Extracellular Domain of Human Growth Hormone Releasing Hormone Receptor. Pike, A.C.W., Quigley, A., Barr, A.J. et al. To be published.

Other PDB entries of the same protein (UniProt Q02643 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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