7CZ5: PDB entry 7CZ5

Cryo-EM structure of the human growth hormone-releasing hormone receptor-Gs protein complex. Determined by electron microscopy at 2.6 Å resolution. Released 18 Nov 2020.

Method: Electron microscopy
Resolution: 2.6 Å
Organisms: Homo sapiens, Rattus norvegicus, Bos taurus
Chains: 6
Atoms: 8,336
Mol. weight: 178.56 kDa
Ligands: CLR, PLM
Released: 18 Nov 2020

Explore 7CZ5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7CZ5 contains 34 α-helices and 47 β-strands across 6 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: 8 helices, 6 β-strands

Element	Residues	Length	Sheet
α-helix	11-38	28
β-strand	40-47	8	1
α-helix	54-57	4
β-strand	207-214	8	1
β-strand	217-224	8	1
α-helix	234-238	5
β-strand	243-249	7	1
α-helix	265-277	13
β-strand	286-292	7	1
α-helix	313-315	3
α-helix	319-321	3
α-helix	332-350	19
β-strand	359-363	5	1
α-helix	371-390	20

Chain B: 3 helices, 31 β-strands

Element	Residues	Length	Sheet
α-helix	4-25	22
α-helix	30-33	4
β-strand	47-51	5	2
β-strand	58-63	6	3
β-strand	69-74	6	3
β-strand	78-83	6	3
β-strand	89-94	6	3
α-helix	95	1
β-strand	100-105	6	4
β-strand	111-116	6	4
β-strand	121-125	5	4
β-strand	134-139	6	4
β-strand	146-151	6	5
β-strand	156-161	6	5
β-strand	166-170	5	5
β-strand	176-180	5	5
β-strand	187-192	6	6
β-strand	198-203	6	6
β-strand	208-212	5	6
β-strand	218-222	5	6
β-strand	229-234	6	7
β-strand	240	1	8
β-strand	241-245	5	7
β-strand	250-251	2	7
β-strand	254	1	8
β-strand	259	1	8
β-strand	263-264	2	7
β-strand	273-278	6	9
β-strand	284-289	6	9
β-strand	294-298	5	9
β-strand	304-308	5	9
β-strand	315-320	6	2
β-strand	327-331	5	2
β-strand	336-339	4	2

Chain G: 4 helices, 0 β-strands

Element	Residues	Length
α-helix	9-21	13
α-helix	27-29	3
α-helix	30-43	14
α-helix	53-55	3

Chain N: 3 helices, 10 β-strands

Element	Residues	Length	Sheet
β-strand	3-7	5	10
β-strand	17-25	9	10
α-helix	29-31	3
β-strand	34-39	6	11
β-strand	45-51	7	11
β-strand	58-60	3	11
α-helix	62-64	3
β-strand	68-73	6	10
β-strand	78-84	7	10
α-helix	88-90	3
β-strand	92-98	7	11
β-strand	118	1	11
β-strand	122-124	3	11

Chain P: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	3-27	25

Chain R: 15 helices, 0 β-strands

Element	Residues	Length
α-helix	120-153	34
α-helix	155-157	3
α-helix	160-186	27
α-helix	200-232	33
α-helix	240-267	28
α-helix	271-273	3
α-helix	283-308	26
α-helix	325-338	14
α-helix	340-342	3
α-helix	354-358	5
α-helix	359-363	5
α-helix	364-366	3
α-helix	368-373	6
α-helix	374-378	5
α-helix	381-392	12

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Growth hormone-releasing hormone receptor,growth hormone-releasing hormone receptor	R	protein	556	Homo sapiens	Q02643 (AlphaFold model)
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A	protein	394	Homo sapiens	P63092 (AlphaFold model)
Somatoliberin	P	protein	44	Homo sapiens	P01286 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	protein	400	Rattus norvegicus	P54311 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	G	protein	71	Bos taurus	P63212
Nanobody35	N	protein	126	synthetic construct

Sequence of entity 1 (R), FASTA

>7CZ5_1 Growth hormone-releasing hormone receptor,growth hormone-releasing hormone receptor (chains R)
HMHPECDFITQLREDESACLQAAEEMPNTTLGCPATWDGLLCWPTAGSGEWVTLPCPDFF
SHFSSESGAVKRDCTITGWSEPFPPYPVACPVPLELLAEEESYFSTVKIIYTVGHSISIV
ALFVAITILVALRRLHCPRNYVHTQLFTTFILKAGAVFLKDAALFHSDDTDHCSFSTVLC
KVSVAASHFATMTNFSWLLAEAVYLNCLLASTSPSSRRAFWWLVLAGWGLPVLFTGTWVS
CKLAFEDIACWDLDDTSPYWWIIKGPIVLSVGVNFGLFLNIIRILVRKLEPAQGSLHTQS
QYWRLSKSTLFLIPLFGIHYIIFNFLPDNAGLGIRLPLELGLGSFQGFIVAILYCFLNQE
VRTEISRKWHGHDPELLPAWRTRGSSGGGGSGGGGSSGVFTLEDFVGDWEQTAAYNLDQV
LEQGGVSSLLQNLAVSVTPIQRIVRSGENALKIDIHVIIPYEGLSADQMAQIEEVFKVVY
PVDDHHFKVILPYGTLVIDGVTPNMLNYFGRPYEGIAVFDGKKITVTGTLWNGNKIIDER
LITPDGSMLFRVTINS

Sequence of entity 2 (A), FASTA

>7CZ5_2 Guanine nucleotide-binding protein G(s) subunit alpha isoforms short (chains A)
MGCLGNSKTEDQRNEEKAQREANKKIEKQLQKDKQVYRATHRLLLLGAGESGKNTIVKQM
RILHVNGFNGEGGEEDPQAARSNSDGEKATKVQDIKNNLKEAIETIVAAMSNLVPPVELA
NPENQFRVDYILSVMNVPDFDFPPEFYEHAKALWEDEGVRACYERSNEYQLIDCAQYFLD
KIDVIKQADYVPSDQDLLRCRVLTSGIFETKFQVDKVNFHMFDVGAQRDERRKWIQCFND
VTAIIFVVASSSYNMVIREDNQTNRLQAALKLFDSIWNNKWLRDTSVILFLNKQDLLAEK
VLAGKSKIEDYFPEFARYTTPEDATPEPGEDPRVTRAKYFIRDEFLRISTASGDGRHYCY
PHFTCAVDTENIRRVFNDCRDIIQRMHLRQYELL

Sequence of entity 3 (P), FASTA

>7CZ5_3 Somatoliberin (chains P)
YADAIFTNSYRKVLGQLSARKLLQDIMSRQQGESNQERGARARL

Sequence of entity 4 (B), FASTA

>7CZ5_4 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
MHHHHHHSSGLVPRGSHMASHHHHHHHHHHGSLLQSELDQLRQEAEQLKNQIRDARKACA
DATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWDSYT
TNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYL
SCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDA
SAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSH
DNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMA
VATGSWDSFLKIWNGSSGGGGSGGGGSSGVSGWRLFKKIS

Sequence of entity 5 (G), FASTA

>7CZ5_5 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENP
FREKKFFCAIL

Sequence of entity 6 (N), FASTA

>7CZ5_6 Nanobody35 (chains N)
QVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASISY
TGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRGQ
GTQVTV

Ligands and cofactors

ID	Name	Formula	Copies
CLR	Cholesterol	C27 H46 O	1
PLM	Palmitic acid	C16 H32 O2	2

Primary citation

Structural basis for activation of the growth hormone-releasing hormone receptor. Zhou, F., Zhang, H., Cong, Z. et al. Nat Commun (2020) 11:5205-5205. DOI 10.1038/s41467-020-18945-0 · PubMed

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

2XDG 1.95 Å, Crystal structure of the extracellular domain of human growth hormone releasing hormone…
24TI 2.88 Å, Cryo-EM structure of the PCO371-bound GHRHR-Gs complex
24TB 3.03 Å, Cryo-EM structure of the ligand-free (Apo) GHRHR-Gs complex

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