7AM7: Subtilisin BPN'

Crystal structure of Peptiligase mutant - M222P/L217H/A225N/F189W/N218D. Determined by X-ray diffraction at 2.61 Å resolution. Released 17 Feb 2021.

Method
X-ray diffraction
Resolution
2.61 Å
Organisms
Bacillus amyloliquefaciens, Hirudo medicinalis
Chains
4
Atoms
5,975
Mol. weight
85.56 kDa
Released
17 Feb 2021

Explore 7AM7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7AM7 contains 36 α-helices and 54 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: 12 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix7-104
α-helix14-174
β-strand27-3261
β-strand46-4941
α-helix64-7512
β-strand89-9461
α-helix104-11613
β-strand121-12441
β-strand12812
α-helix133-14412
β-strand148-15251
β-strand15913
β-strand161-16223
α-helix165-1662
β-strand16712
β-strand175-18061
α-helix1851
β-strand18611
α-helix1871
β-strand198-20141
β-strand205-20954
β-strand213-21754
α-helix220-23718
α-helix243-25210
β-strand25511
α-helix260-2634
β-strand26711
α-helix270-2734
Chain B: 12 helices, 18 β-strands
ElementResiduesLengthSheet
α-helix7-104
α-helix14-174
β-strand27-3265
β-strand46-4945
α-helix64-7512
β-strand89-9465
β-strand10116
α-helix104-11613
β-strand121-12445
β-strand12716
β-strand12817
α-helix133-14412
β-strand148-15255
β-strand15918
β-strand161-16228
α-helix165-1662
β-strand16717
β-strand175-18065
α-helix1851
β-strand18615
α-helix1871
β-strand198-20145
β-strand205-20959
β-strand213-21759
α-helix220-23718
α-helix243-25210
β-strand25515
α-helix260-2634
β-strand26715
α-helix270-2756
Chain C: 12 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix6-105
α-helix14-174
β-strand27-32610
β-strand44-49610
α-helix64-7512
β-strand89-94610
β-strand101111
α-helix104-11613
β-strand121-124410
β-strand126-127211
β-strand128112
α-helix133-14412
β-strand148-152510
β-strand159113
β-strand161-162213
α-helix165-1662
β-strand167112
β-strand175-180610
α-helix1851
β-strand186110
α-helix1871
β-strand198-201410
β-strand205114
β-strand21116
β-strand217114
α-helix220-23718
α-helix243-25210
β-strand255110
α-helix260-2634
β-strand267110
α-helix270-2734
Chain P: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand75-76211

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Subtilisin BPN'A, Cprotein272Bacillus amyloliquefaciensP00782 (AlphaFold model)
Subtilisin BPN'Bprotein272Bacillus amyloliquefaciensP00782 (AlphaFold model)
Eglin C fragmentPprotein13Hirudo medicinalisP01051 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>7AM7_1 Subtilisin BPN' (chains A, C)
AKCVSYGVSQIKAPALHSQGYTGSNVKVAVIDSGIDSSHPDLNVAGGASFVPSETNPFQD
NNSHGTHVAGTVLAVAPSASLYAVKVLGADGSGQYSWIINGIEWAIANNMDVINMSLGGP
SGSAALKAAVDKAVASGVVVVAAAGNSGTSGSSSTVSYPAKYPSVIAVGAVDSSNQRAPW
SSVGPELDVMAPGVSICSTLPGNKYGAHDGTCPASNHVAGAAALILSKHPNWTNTQVRSS
LENTATKLGDSFYYGKGLINVEAAAQHHHHHH
Sequence of entity 2 (B), FASTA
>7AM7_2 Subtilisin BPN' (chains B)
AKCVSYGVSQIKAPALHSQGYTGSNVKVAVIDSGIDSSHPDLNVAGGASFVPSETNPFQD
NNSHGTHVAGTVLAVAPSASLYAVKVLGADGSGQYSWIINGIEWAIANNMDVINMSLGGP
SGSAALKAAVDKAVASGVVVVAAAGNSGTSGSSSTVSYPAKYPSVIAVGAVDSSNQRAPW
SSVGPELDVMAPGVSICSTLPGNKYGAHDGTCPASNHVAGAAALILSKHPNWTNTQVRSS
LENTATKLGDSFYYGKGLINVEAAAQHHHHHH
Sequence of entity 3 (P), FASTA
>7AM7_3 Eglin C fragment (chains P)
LPEGSPVTLDLRY

Primary citation

From thiol-subtilisin to omniligase: Design and structure of a broadly applicable peptide ligase. Toplak, A., Teixeira de Oliveira, E.F., Schmidt, M. et al. Comput Struct Biotechnol J (2021) 19:1277-1287. DOI 10.1016/j.csbj.2021.02.002 · PubMed

Other PDB entries of the same protein (UniProt P00782 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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