8I2G: PDB entry 8I2G

FSHR-Follicle stimulating hormone-compound 716340-Gs complex. Determined by electron microscopy at 2.8 Å resolution. Released 29 Mar 2023.

Method
Electron microscopy
Resolution
2.8 Å
Organisms
Cricetulus griseus, Homo sapiens, Lama glama
Chains
7
Atoms
12,694
Mol. weight
196.97 kDa
Ligands
CLR, PLM, MYR, NAG
Released
29 Mar 2023

Explore 8I2G in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8I2G contains 45 α-helices and 83 β-strands across 7 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: 10 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix13-3826
β-strand40-4781
α-helix53-586
β-strand207-21371
β-strand218-22471
α-helix234-2385
β-strand243-24861
α-helix265-27814
β-strand286-29161
α-helix294-3029
α-helix308-3114
α-helix313-3153
α-helix326-3272
α-helix332-35120
β-strand359-36351
α-helix370-39021
Chain B: 5 helices, 28 β-strands
ElementResiduesLengthSheet
α-helix4-2421
α-helix30-334
α-helix38-392
β-strand47-5152
β-strand58-6363
β-strand69-7463
β-strand78-8363
β-strand88-9473
α-helix951
β-strand102-10544
β-strand111-11554
β-strand121-12554
β-strand134-13964
β-strand146-15165
β-strand156-16165
β-strand165-17065
β-strand175-18175
β-strand187-19266
β-strand198-20366
β-strand208-21256
β-strand217-22266
β-strand229-23467
β-strand240-24567
β-strand250-25457
β-strand259-26467
α-helix2721
β-strand273-27868
β-strand284-28968
β-strand293-29868
β-strand304-30858
β-strand315-32062
β-strand327-33152
β-strand336-33942
Chain G: 5 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix7-2317
α-helix27-293
α-helix30-4314
α-helix45-473
α-helix53-553
Chain N: 3 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand3-759
β-strand10-11210
β-strand17-2599
α-helix29-313
β-strand34-39610
β-strand45-51710
β-strand58-60310
β-strand69-7359
β-strand78-8479
α-helix88-903
β-strand92-98710
α-helix108-1114
β-strand118110
β-strand122-125410
Chain R: 18 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand24-26311
β-strand29-31311
β-strand50-54511
β-strand60-61212
β-strand74-78511
β-strand85-86212
β-strand99-103511
β-strand105113
β-strand110-111212
α-helix113-1153
β-strand124-126311
β-strand130113
β-strand143114
β-strand147-150411
β-strand159-160215
β-strand169114
β-strand173-176411
β-strand184-185215
β-strand194116
β-strand195-199511
β-strand218116
β-strand222-224311
β-strand243-245311
β-strand266-268311
α-helix272-2787
α-helix290-2934
α-helix333-3353
β-strand345-347311
α-helix349-3513
α-helix363-38927
α-helix393-3942
α-helix396-42429
α-helix429-43810
α-helix440-47233
α-helix477-4793
α-helix483-50220
α-helix525-55632
α-helix564-59633
α-helix604-61411
α-helix616-6227
α-helix623-6275
α-helix631-64313
Chain X: 3 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix7-82
β-strand9117
β-strand11-13317
β-strand27-381217
α-helix39-402
α-helix41-444
β-strand53-56417
β-strand59-701218
β-strand74-851218
β-strand91119
Chain Y: 1 helix, 7 β-strands
ElementResiduesLengthSheet
β-strand2-141317
β-strand19-351717
α-helix45-462
β-strand47117
β-strand50-631420
β-strand72-851420
β-strand87119
β-strand92-95417

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
chimera of Guanine nucleotide-binding protein G(s) subunit alpha and Guanine nucleotide-binding…Aprotein259Cricetulus griseus, Homo sapiensQ5JWF2 (AlphaFold model), Q8R4A8 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1Bprotein345Homo sapiensP62873 (AlphaFold model)
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2Gprotein71Homo sapiensP59768 (AlphaFold model)
Nb35Nprotein128Lama glama
Follicle-stimulating hormone receptorRprotein678Homo sapiensP23945
Glycoprotein hormones alpha chainXprotein92Homo sapiensP01215
Follitropin subunit betaYprotein109Homo sapiensP01225
Sequence of entity 1 (A), FASTA
>8I2G_1 chimera of Guanine nucleotide-binding protein G(s) subunit alpha and Guanine nucleotide-binding protein G(s) subunit alpha isoforms XLas (chains A)
MNSKTEDQRNEEKAQREANKKIEKQLQKDKQVYRATHRLLLLGAGESGKSTIVKQMRILH
GGSGGSGGTTGIFETKFQVDKVNFHMFDVGGQRDERRKWIQCFNDVTAIIFVVASSSYNM
VIREDNQTNRLQEALNLFKSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKIEDYFPEF
ARYTTPEDATPEPGEDPRVTRAKYFIRDEFLRISTASGDGRHYCYPHFTCAVDTENIRRV
FNDCRDIIQRMHLRQYELL
Sequence of entity 2 (B), FASTA
>8I2G_2 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 (chains B)
MGSLLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHL
AKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACG
GLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQ
QTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFF
PNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCN
VWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN
Sequence of entity 3 (G), FASTA
>8I2G_3 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 (chains G)
MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENP
FREKKFFCAIL
Sequence of entity 4 (N), FASTA
>8I2G_4 Nb35 (chains N)
QVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASISY
TGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRGQ
GTQVTVSS
Sequence of entity 5 (R), FASTA
>8I2G_5 Follicle-stimulating hormone receptor (chains R)
CHHRICHCSNRVFLCQESKVTEIPSDLPRNAIELRFVLTKLRVIQKGAFSGFGDLEKIEI
SQNDVLEVIEADVFSNLPKLHEIRIEKANNLLYINPEAFQNLPNLQYLLISNTGIKHLPD
VHKIHSLQKVLLDIQDNINIHTIERNSFVGLSFESVILWLNKNGIQEIHNCAFNGTQLDE
LNLSDNNNLEELPNDVFHGASGPVILDISRTRIHSLPSYGLENLKKLRARSTYNLKKLPT
LEKLVALMEASLTYPIHCCAFANWRRQISELHPICNKSILRQEVDYMTQARGQRSSLAED
NESSYSRGFDMTYTEFDYDLCNEVVDVTCSPKPDAFNPCEDIMGYNILRVLIWFISILAI
TGNIIVLVILTTSQYKLTVPRFLMCNLAFADLCIGIYLLLIASVDIHTKSQYHNYAIDWQ
TGAGCDAAGFFTVFASELSVYTLTAITLERWHTITHAMQLDCKVQLRHAASVMVMGWIFA
FAAALFPIFGISSYMKVSICLPMDIDSPLSQLYVMSLLVLNVLAFVVICGCYIHIYLTVR
NPNIVSSSSDTRIAKRMAMLIFTDFLCMAPISFFAISASLKVPLITVSKAKILLVLFHPI
NSCANPFLYAIFTKNFRRDFFILLSKCGCYEMQAQIYRTETSSTVHNTHPRNGHCSSAPR
VTNGSTYILVPLSHLAQN
Sequence of entity 6 (X), FASTA
>8I2G_6 Glycoprotein hormones alpha chain (chains X)
APDVQDCPECTLQENPLFSQPGAPILQCMGCCFSRAYPTPLRSKKTMLVQKNVTSESTCC
VAKSYNRVTVMGGFKVENHTACHCSTCYYHKS
Sequence of entity 7 (Y), FASTA
>8I2G_7 Follitropin subunit beta (chains Y)
NSCELTNITIAIEKEECRFCISINTTWCAGYCYTRDLVYKDPARPKIQKTCTFKELVYET
VRVPGCAHHADSLYTYPVATQCHCGKCDSDSTDCTVRGLGPSYCSFGEM

Ligands and cofactors

IDNameFormulaCopies
CLRCholesterolC27 H46 O13
PLMPalmitic acidC16 H32 O23
MYRMyristic acidC14 H28 O22
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O64
O6FN-tert-butyl-N-ethyl-8-methoxy-9-propan-2-yloxy-1-thiophen-2-yl-5,6-dihydroimid…C26 H33 N3 O3 S1

Primary citation

Mechanism of hormone and allosteric agonist mediated activation of follicle stimulating hormone receptor. Duan, J., Xu, P., Zhang, H. et al. Nat Commun (2023) 14:519-519. DOI 10.1038/s41467-023-36170-3 · PubMed

Other PDB entries of the same protein (UniProt Q5JWF2 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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