7YFC: Engineered G-alpha-q

Cryo-EM structure of the histamine-bound histamine H4 receptor and Gq complex. Determined by electron microscopy at 3.0 Å resolution. Released 25 Oct 2023.

Method
Electron microscopy
Resolution
3.0 Å
Organisms
Homo sapiens, Mus musculus, Lama glama
Chains
6
Atoms
9,882
Mol. weight
196.3 kDa
Ligands
HSM, CLR
Released
25 Oct 2023

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

Secondary structure: helices and β-sheets

7YFC contains 34 α-helices and 72 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: 11 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix7-3226
β-strand34-4071
α-helix46-5510
β-strand184-19181
β-strand194-20181
α-helix212-2154
β-strand220-22671
α-helix233-24412
β-strand253-25971
α-helix261-27010
α-helix275-2784
α-helix280-2823
α-helix287-2882
α-helix293-2942
α-helix299-31820
β-strand326-33051
α-helix338-35720
Chain B: 3 helices, 28 β-strands
ElementResiduesLengthSheet
α-helix3-2523
α-helix30-334
α-helix38-392
β-strand45-5172
β-strand58-6363
β-strand69-7463
β-strand78-8363
β-strand88-9473
β-strand100-10564
β-strand111-11664
β-strand120-12564
β-strand134-14074
β-strand146-15385
β-strand156-16165
β-strand166-16835
β-strand178-17925
β-strand187-19266
β-strand198-20366
β-strand208-21256
β-strand217-22266
β-strand229-23467
β-strand240-24567
β-strand250-25457
β-strand260-26457
β-strand273-27868
β-strand284-28968
β-strand293-29868
β-strand303-30978
β-strand315-32062
β-strand327-33152
β-strand336-34162
Chain C: 3 helices, 26 β-strands
ElementResiduesLengthSheet
β-strand3-759
β-strand11-12210
β-strand17-2599
α-helix29-313
β-strand33-39711
β-strand45-51711
α-helix53-553
β-strand58-60311
β-strand68-7369
β-strand78-8479
β-strand92-99811
β-strand110-111211
β-strand115-117311
β-strand118-119210
β-strand140-141212
β-strand146-148313
β-strand155-161712
β-strand166114
β-strand172114
β-strand174-179613
β-strand186-190513
β-strand194-195213
β-strand203-207512
β-strand211-216612
α-helix221-2233
β-strand225-231713
β-strand238111
β-strand239113
β-strand243-246413
Chain G: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix6-2217
α-helix30-4314
α-helix53-553
Chain N: 2 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand3-7515
β-strand11-12216
β-strand17-25915
α-helix29-313
β-strand34-39617
β-strand45-51717
β-strand58-60317
β-strand68-73615
β-strand78-84715
α-helix88-903
β-strand92-98717
β-strand118117
β-strand122-124317
β-strand125-126216
Chain R: 12 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix13-4230
α-helix49-7527
α-helix84-11734
α-helix119-1235
α-helix132-15423
α-helix172-1798
α-helix180-1845
α-helix185-20319
α-helix301-32828
α-helix338-35720
α-helix359-3613
α-helix365-3728

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Engineered G-alpha-qAprotein361Homo sapiensP63092 (AlphaFold model), P63096 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1Bprotein388Homo sapiensP62873 (AlphaFold model)
scFv16Cprotein259Mus musculus
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2Gprotein71Homo sapiensP59768 (AlphaFold model)
Nb35Nprotein129Lama glama
Histamine H4 receptorRprotein548Homo sapiensQ9H3N8
Sequence of entity 1 (A), FASTA
>7YFC_1 Engineered G-alpha-q (chains A)
MGCTLSAEDKAAVERSKMIEKQLQKDKQVYRRTLRLLLLGADNSGKSTIVKQMRIYHVNG
YSEEECKQYKAVVYSNTIQSIIAIIRAMGRLKIDFGDSARADDARQLFVLAGAAEEGFMT
AELAGVIKRLWKDSGVQACFNRSREYQLNDSAAYYLNDLDRIAQPNYIPTQQDVLRTRVK
TSGIFETKFQVDKVNFHMFDVGAQRDERRKWIQCFNDVTAIIFVVDSSDYNRLQEALNDF
KSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKIEDYFPEFARYTTPEDATPEPGEDPR
VTRAKYFIRKEFVDISTASGDGRHICYPHFTCSVDTENARRIFNDCKDIILQMNLREYNL
V
Sequence of entity 2 (B), FASTA
>7YFC_2 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
MHHHHHHHHHHLEVLFQGPGSSGSELDQLRQEAEQLKNQIRDARKACADATLSQITNNID
PVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSS
WVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIV
TSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMC
RQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSF
SKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKI
WNGSSGGGGSGGGGSSGVSGWRLFKKIS
Sequence of entity 3 (C), FASTA
>7YFC_3 scFv16 (chains C)
DVQLVESGGGLVQPGGSRKLSCSASGFAFSSFGMHWVRQAPEKGLEWVAYISSGSGTIYY
ADTVKGRFTISRDDPKNTLFLQMTSLRSEDTAMYYCVRSIYYYGSSPFDFWGQGTTLTVS
SGGGGSGGGGSGGGGSDIVMTQATSSVPVTPGESVSISCRSSKSLLHSNGNTYLYWFLQR
PGQSPQLLIYRMSNLASGVPDRFSGSGSGTAFTLTISRLEAEDVGVYYCMQHLEYPLTFG
AGTKLELKAAAHHHHHHHH
Sequence of entity 4 (G), FASTA
>7YFC_4 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENP
FREKKFFCAIL
Sequence of entity 5 (N), FASTA
>7YFC_5 Nb35 (chains N)
MQVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASIS
YTGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRG
QGTQVTVSS
Sequence of entity 6 (R), FASTA
>7YFC_6 Histamine H4 receptor (chains R)
MPDTNSTINLSLSTRVTLAFFMSLVAFAIMLGNALVILAFVVDKNLRHRSSYFFLNLAIS
DFFVGVISIPLYIPHTLFEWDFGKEICVFWLTTDYLLCTASVYNIVLISYDRYLSVSNAV
SYRTQHTGVLKIVTLMVAVWVLAFLVNGPMILVSESWKDEGSECEPGFFSEWYILAITSF
LEFVIPVILVAYFNMNIYWSLWKRDHLSRCQSHPGLTAVSSNICGHSFRGRLSSRRSLSA
STEVPASFHSERQRRKSSLMFSSRTKMNSNTIASKMGSFSQSDSVALHQREHVELLRARR
LAKSLAILLGVFAVCWAPYSLFTIVLSFYSSATGPKSVWYRIAFWLQWFNSFVNPLLYPL
CHKRFQKAFLKIFCIKKQPLPSQHSRSVSSVFTLEDFVGDWEQTAAYNLDQVLEQGGVSS
LLQNLAVSVTPIQRIVRSGENALKIDIHVIIPYEGLSADQMAQIEEVFKVVYPVDDHHFK
VILPYGTLVIDGVTPNMLNYFGRPYEGIAVFDGKKITVTGTLWNGNKIIDERLITPDGSM
LFRVTINS

Ligands and cofactors

IDNameFormulaCopies
HSMHistamineC5 H9 N31
CLRCholesterolC27 H46 O1

Primary citation

Structural insights into the agonists binding and receptor selectivity of human histamine H 4 receptor. Im, D., Kishikawa, J.I., Shiimura, Y. et al. Nat Commun (2023) 14:6538-6538. DOI 10.1038/s41467-023-42260-z · PubMed

Other PDB entries of the same protein (UniProt P63092 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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