2JIY: Reaction center protein H chain

Photosynthetic reaction center mutant with ala M149 replaced with trp (chain M, AM149W). Determined by X-ray diffraction at 2.2 Å resolution. Released 4 Sept 2007.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
RHODOBACTER SPHAEROIDES
Chains
3
Atoms
7,600
Mol. weight
103.19 kDa
Ligands
LDA, BCL, BPH, U10
Released
4 Sept 2007

Explore 2JIY in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2JIY contains 51 α-helices and 34 β-strands across 3 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 H: 11 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix12-3423
β-strand4311
β-strand4911
α-helix501
α-helix57-615
β-strand62-6652
β-strand71-7552
β-strand87-8933
β-strand98-10033
α-helix104-1074
α-helix110-1123
β-strand12314
β-strand12914
β-strand131-13335
α-helix134-1363
β-strand141-14556
β-strand152-15545
β-strand160-170115
β-strand175-18285
β-strand188-19255
α-helix193-1953
β-strand197-19825
β-strand203-20535
α-helix210-2123
α-helix217-2182
α-helix227-24317
α-helix245-2473
Chain L: 19 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand211
α-helix7-93
β-strand25-2627
β-strand29-3027
α-helix32-5625
β-strand6618
α-helix67-704
α-helix71-733
α-helix80-823
α-helix84-11128
α-helix116-12914
α-helix130-1345
α-helix135-1395
α-helix142-1443
α-helix146-1472
β-strand14818
α-helix152-16211
α-helix167-1693
α-helix171-19828
α-helix204-2074
α-helix209-22012
β-strand22219
α-helix226-24924
β-strand251110
β-strand255110
α-helix259-2624
α-helix264-2674
Chain M: 21 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand10-1346
α-helix26-283
β-strand29111
β-strand35112
α-helix37-404
β-strand46112
β-strand4719
β-strand51111
α-helix54-7724
α-helix82-876
β-strand94113
α-helix95-984
α-helix99-1013
α-helix109-1113
α-helix113-13927
α-helix145-15814
α-helix159-1635
α-helix164-1685
α-helix171-1733
α-helix175-1762
β-strand177113
α-helix179-19214
α-helix196-1983
α-helix200-22526
α-helix227-2293
α-helix234-2396
α-helix243-25614
α-helix264-28623
β-strand287114
β-strand291114
α-helix294-2985

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Reaction center protein H chainHprotein260RHODOBACTER SPHAEROIDESP0C0Y7 (AlphaFold model)
Reaction center protein L chainLprotein281RHODOBACTER SPHAEROIDESP0C0Y8 (AlphaFold model)
Reaction center protein M chainMprotein308RHODOBACTER SPHAEROIDESP0C0Y9 (AlphaFold model)
Sequence of entity 1 (H), FASTA
>2JIY_1 REACTION CENTER PROTEIN H CHAIN (chains H)
MVGVTAFGNFDLASLAIYSFWIFLAGLIYYLQTENMREGYPLENEDGTPAANQGPFPLPK
PKTFILPHGRGTLTVPGPESEDRPIALARTAVSEGFPHAPTGDPMKDGVGPASWVARRDL
PELDGHGHNKIKPMKAAAGFHVSAGKNPIGLPVRGCDLEIAGKVVDIWVDIPEQMARFLE
VELKDGSTRLLPMQMVKVQSNRVHVNALSSDLFAGIPTIKSPTEVTLLEEDKICGYVAGG
LMYAAPKRKSVVAAMLAEYA
Sequence of entity 2 (L), FASTA
>2JIY_2 REACTION CENTER PROTEIN L CHAIN (chains L)
ALLSFERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIAWSAVLQGTWN
PQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSWALREVEICRKLGIGYHIPFA
FAFAILAYLTLVLFRPVMMGAWGYAFPYGIWTHLDWVSNTGYTYGNFHYNPAHMIAISFF
FTNALALALHGALVLSAANPEKGKEMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLSA
VFFSALCMIITGTIWFDQWVDWWQWWVKLPWWANIPGGING
Sequence of entity 3 (M), FASTA
>2JIY_3 REACTION CENTER PROTEIN M CHAIN (chains M)
MAEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPIYLGSLGVLS
LFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPEYGLSFAAPLKEGGLWLIAS
FFMFVAVWSWWGRTYLRAQALGMGKHTAWWFLSAIWLWMVLGFIRPILMGSWSEAVPYGI
FSHLDWTNNFSLVHGNLFYNPFHGLSIAFLYGSALLFAMHGATILAVSRFGGERELEQIA
DRGTAAERAALFWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQ
NHGMAPLN

Ligands and cofactors

IDNameFormulaCopies
LDALauryl dimethylamine-N-oxideC14 H31 N O2
BCLBacteriochlorophyll aC55 H74 Mg N4 O64
BPHBacteriopheophytin aC55 H76 N4 O61
U10Ubiquinone-10C59 H90 O42
CDLCardiolipinC81 H156 O17 P21
FEFE (III) ionFe1
PO4Phosphate ionO4 P1
SPNSperoidenoneC41 H70 O21
D12DodecaneC12 H261

Water and common crystallization additives (CL) are not listed.

Primary citation

Structural Responses to Cavity-Creating Mutations in an Integral Membrane Protein. Fyfe, P.K., Potter, J.A., Cheng, J. et al. Biochemistry (2007) 46:10461. DOI 10.1021/BI701085W · PubMed

Other PDB entries of the same protein (UniProt P0C0Y7 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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