5A63: Human gamma-secretase complex

Cryo-EM structure of the human gamma-secretase complex at 3.4 angstrom resolution. Determined by electron microscopy at 3.4 Å resolution. Released 5 Aug 2015.

Method
Electron microscopy
Resolution
3.4 Å
Organism
Homo sapiens
Chains
4
Atoms
10,003
Mol. weight
177.97 kDa
Ligands
PC1, NAG
Released
5 Aug 2015

Explore 5A63 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5A63 contains 60 α-helices and 35 β-strands across 4 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: 29 helices, 33 β-strands

ElementResiduesLengthSheet
α-helix35-406
β-strand41-4441
β-strand47-4931
β-strand53-5422
β-strand59-6022
β-strand61-6223
β-strand6414
α-helix651
β-strand70-7671
α-helix79-868
β-strand94-9961
α-helix105-1139
β-strand121-12441
α-helix154-1563
β-strand175-17623
β-strand180-18341
α-helix186-19914
β-strand20315
β-strand20715
β-strand211-21881
β-strand22014
β-strand22116
α-helix227-23913
β-strand248-25032
β-strand253-25977
α-helix268-2703
β-strand275-28177
α-helix295-3006
α-helix301-31414
β-strand324-33077
α-helix340-34910
β-strand359-36687
β-strand375-37957
α-helix382-3865
α-helix388-40619
β-strand412-41437
α-helix420-4234
α-helix426-4338
β-strand438-44257
α-helix460-4634
α-helix475-4784
α-helix482-50221
α-helix515-52612
α-helix535-5373
α-helix542-5454
α-helix562-57514
β-strand577-57938
α-helix583-5875
β-strand601-60558
α-helix608-6092
β-strand61019
β-strand61519
β-strand619-62358
β-strand627-63047
α-helix633-6364
β-strand649-65132
α-helix6521
β-strand65316
β-strand657-66481
α-helix6651
α-helix666-69227
α-helix694-6974
Chain B: 14 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix79-10325
α-helix105-1073
α-helix168-1725
α-helix173-1775
α-helix178-18912
β-strand193-194210
α-helix195-21420
α-helix219-24022
α-helix243-25917
α-helix380-3823
α-helix383-39816
α-helix405-42723
α-helix436-44813
α-helix449-4535
α-helix454-46310
Chain C: 11 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix3-2018
α-helix21-255
α-helix29-6032
α-helix65-10137
α-helix102-1065
α-helix114-14128
α-helix145-1462
α-helix156-18429
α-helix187-20519
α-helix210-23122
α-helix236-2427
Chain D: 6 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix3-53
α-helix8-2114
α-helix27-359
α-helix38-436
α-helix50-8435
α-helix87-926
β-strand93-95310

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NicastrinAprotein709Homo sapiensQ92542 (AlphaFold model)
Presenilin-1Bprotein467Homo sapiensP49768 (AlphaFold model)
Gamma-secretase subunit APH-1ACprotein265Homo sapiensQ96BI3 (AlphaFold model)
Gamma-secretase subunit PEN-2Dprotein101Homo sapiensQ9NZ42 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>5A63_1 Nicastrin (chains A)
MATAGGGSGADPGSRGLLRLLSFCVLLAGLCRGNSVERKIYIPLNKTAPCVRLLNATHQI
GCQSSISGDTGVIHVVEKEEDLQWVLTDGPNPPYMVLLESKHFTRDLMEKLKGRTSRIAG
LAVSLTKPSPASGFSPSVQCPNDGFGVYSNSYGPEFAHCREIQWNSLGNGLAYEDFSFPI
FLLEDENETKVIKQCYQDHNLSQNGSAPTFPLCAMQLFSHMHAVISTATCMRRSSIQSTF
SINPEIVCDPLSDYNVWSMLKPINTTGTLKPDDRVVVAATRLDSRSFFWNVAPGAESAVA
SFVTQLAAAEALQKAPDVTTLPRNVMFVFFQGETFDYIGSSRMVYDMEKGKFPVQLENVD
SFVELGQVALRTSLELWMHTDPVSQKNESVRNQVEDLLATLEKSGAGVPAVILRRPNQSQ
PLPPSSLQRFLRARNISGVVLADHSGAFHNKYYQSIYDTAENINVSYPEWLSPEEDLNFV
TDTAKALADVATVLGRALYELAGGTNFSDTVQADPQTVTRLLYGFLIKANNSWFQSILRQ
DLRSYLGDGPLQHYIAVSSPTNTTYVVQYALANLTGTVVNLTREQCQDPSKVPSENKDLY
EYSWVQGPLHSNETDRLPRCVRSTARLARALSPAFELSQWSSTEYSTWTESRWKDIRARI
FLIASKELELITLTVGFGILIFSLIVTYCINAKADVLFIAPREPGAVSY
Sequence of entity 2 (B), FASTA
>5A63_2 Presenilin-1 (chains B)
MTELPAPLSYFQNAQMSEDNHLSNTVRSQNDNRERQEHNDRRSLGHPEPLSNGRPQGNSR
QVVEQDEEEDEELTLKYGAKHVIMLFVPVTLCMVVVVATIKSVSFYTRKDGQLIYTPFTE
DTETVGQRALHSILNAAIMISVIVVMTILLVVLYKYRCYKVIHAWLIISSLLLLFFFSFI
YLGEVFKTYNVAVDYITVALLIWNFGVVGMISIHWKGPLRLQQAYLIMISALMALVFIKY
LPEWTAWLILAVISVYDLVAVLCPKGPLRMLVETAQERNETLFPALIYSSTMVWLVNMAE
GDPEAQRRVSKNSKYNAESTERESQDTVAENDDGGFSEEWEAQRDSHLGPHRSTPESRAA
VQELSSSILAGEDPEERGVKLGLGDFIFYSVLVGKASATASGDWNTTIACFVAILIGLCL
TLLLLAIFKKALPALPISITFGLVFYFATDYLVQPFMDQLAFHQFYI
Sequence of entity 3 (C), FASTA
>5A63_3 Gamma-secretase subunit APH-1A (chains C)
MGAAVFFGCTFVAFGPAFALFLITVAGDPLRVIILVAGAFFWLVSLLLASVVWFILVHVT
DRSDARLQYGLLIFGAAVSVLLQEVFRFAYYKLLKKADEGLASLSEDGRSPISIRQMAYV
SGLSFGIISGVFSVINILADALGPGVVGIHGDSPYYFLTSAFLTAAIILLHTFWGVVFFD
ACERRRYWALGLVVGSHLLTSGLTFLNPWYEASLLPIYAVTVSMGLWAFITAGGSLRSIQ
RSLLCRRQEDSRVMVYSALRIPPED
Sequence of entity 4 (D), FASTA
>5A63_4 Gamma-secretase subunit PEN-2 (chains D)
MNLERVSNEEKLNLCRKYYLGGFAFLPFLWLVNIFWFFREAFLVPAYTEQSQIKGYVWRS
AVGFLFWVIVLTSWITIFQIYRPRWGALGDYLSFTIPLGTP

Ligands and cofactors

IDNameFormulaCopies
PC11,2-diacyl-sn-glycero-3-phosphocholineC44 H88 N O8 P2
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O65

Primary citation

An Atomic Structure of Human Gamma-Secretase. Bai, X., Yan, C., Yang, G. et al. Nature (2015) 525:212. DOI 10.1038/NATURE14892 · PubMed

Other PDB entries of the same protein (UniProt Q92542 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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