PDB entry 6k61

View 6k61 on RCSB PDB site
Description: Cryo-EM structure of the tetrameric photosystem I from a heterocyst-forming cyanobacterium Anabaena sp. PCC7120
Class: photosynthesis
Keywords: Photosystem I, PSI, PCC7120, PHOTOSYNTHESIS
Deposited on 2019-05-31, released 2019-10-09
The last revision prior to the SCOPe 2.08 freeze date was dated 2019-11-20, with a file datestamp of 2019-11-15.
Experiment type: EM
Resolution: 2.37 Å
R-factor: N/A
AEROSPACI score: 0.24 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: photosystem I p700 chlorophyll a apoprotein a1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61a_
  • Chain 'B':
    Compound: Photosystem I P700 chlorophyll a apoprotein A2 1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61b_
  • Chain 'C':
    Compound: photosystem I iron-sulfur center
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'D':
    Compound: Photosystem I reaction center subunit II
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'E':
    Compound: photosystem I reaction center subunit IV
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61e_
  • Chain 'F':
    Compound: Photosystem I reaction center subunit III
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61f_
  • Chain 'I':
    Compound: Photosystem I reaction center subunit VIII
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'J':
    Compound: Photosystem I reaction center subunit IX
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61j_
  • Chain 'K':
    Compound: Photosystem I reaction center subunit PsaK 1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'L':
    Compound: Photosystem I reaction center subunit XI
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61l_
  • Chain 'M':
    Compound: Photosystem I reaction center subunit XII
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61m_
  • Chain 'X':
    Compound: Photosystem I 4.8 kDa protein
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'a':
    Compound: photosystem I p700 chlorophyll a apoprotein a1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'b':
    Compound: Photosystem I P700 chlorophyll a apoprotein A2 1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'c':
    Compound: photosystem I iron-sulfur center
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61c_
  • Chain 'd':
    Compound: Photosystem I reaction center subunit II
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d6k61d_
  • Chain 'e':
    Compound: photosystem I reaction center subunit IV
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'f':
    Compound: Photosystem I reaction center subunit III
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'i':
    Compound: Photosystem I reaction center subunit VIII
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'j':
    Compound: Photosystem I reaction center subunit IX
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'k':
    Compound: Photosystem I reaction center subunit PsaK 1
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'l':
    Compound: Photosystem I reaction center subunit XI
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'm':
    Compound: Photosystem I reaction center subunit XII
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Chain 'x':
    Compound: Photosystem I 4.8 kDa protein
    Species: Nostoc sp. PCC 7120 [TaxId:103690]
    Database cross-references and differences (RAF-indexed):
  • Heterogens: BCR, CLA, CL0, LHG, LMG, PQN, SF4, SQD

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >6k61A (A:)
mtisppereekkarvivdkdpvptsfekwaqpghfdrtlargpktttwiwnlhalahdfd
thtsdledisrkifaahfghlavvtiwlsgmifhgakfsnyeawlsdplnvrpsaqvvwp
ivgqdilngdvgggfhgiqitsglfqvwrgwgitnsfqlyctaigglvlaglflfagwfh
yhkrapklewfqnvesmlnhhlqvllgcgslgwaghlihvsapinklmdagvavkdiplp
hefilnksllidlfpgfaagltpfftlnwgqyadfltfkgglnpvtgglwmtdiahhhla
iavvfiiaghqyrtnwgighsikeilenhkgpftgeghkglyenlttswhaqlatnlafl
gsltiiiahhmyamppypylatdyatqlcifthhiwiggflivggaahaaifmvrdydpv
vnqnnvldrvirhrdaiishlnwvciflgfhsfglyihndtmralgrpqdmfsdtaiqlq
pvfaqwvqnlhtlapggtapnalepvsyafgggvlavggkvammpialgtadflihhiha
ftihvtvlillkgvlfarssrlipdkanlgfrfpcdgpgrggtcqvsgwdhvflglfwmy
nslsivifhfswkmqsdvwgtvdaagnvshitggnfaqsaitingwlrdflwaqasqvin
sygsalsayglmflgahfvwafslmflfsgrgywqeliesivwahnklkvapaiqprals
itqgravgvahyllggiattwaffhahilsvg

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61A (A:)
kkarvivdkdpvptsfekwaqpghfdrtlargpktttwiwnlhalahdfdthtsdledis
rkifaahfghlavvtiwlsgmifhgakfsnyeawlsdplnvrpsaqvvwpivgqdilngd
vgggfhgiqitsglfqvwrgwgitnsfqlyctaigglvlaglflfagwfhyhkrapklew
fqnvesmlnhhlqvllgcgslgwaghlihvsapinklmdagvavkdiplphefilnksll
idlfpgfaagltpfftlnwgqyadfltfkgglnpvtgglwmtdiahhhlaiavvfiiagh
qyrtnwgighsikeilenhkgpftgeghkglyenlttswhaqlatnlaflgsltiiiahh
myamppypylatdyatqlcifthhiwiggflivggaahaaifmvrdydpvvnqnnvldrv
irhrdaiishlnwvciflgfhsfglyihndtmralgrpqdmfsdtaiqlqpvfaqwvqnl
htlapggtapnalepvsyafgggvlavggkvammpialgtadflihhihaftihvtvlil
lkgvlfarssrlipdkanlgfrfpcdgpgrggtcqvsgwdhvflglfwmynslsivifhf
swkmqsdvwgtvdaagnvshitggnfaqsaitingwlrdflwaqasqvinsygsalsayg
lmflgahfvwafslmflfsgrgywqeliesivwahnklkvapaiqpralsitqgravgva
hyllggiattwaffhahilsvg

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >6k61B (B:)
matkfpkfsqdlaqdpttrriwyamamgndfeshdgmteenlyqkifathfghlaiiflw
assllfhvawqgnfeqwikdplhvrpiahaiwdphfgkpaieaftqagangpvniaysgv
yhwwytigmrtntelytgsvflllfaslflfagwlhlqpkfrpslawfksaesrlnhhla
glfgvsslawaghlihvaipesrgqhvgwdnflstaphpaglqpfftgnwgvyaqnpdta
ghifstsqgagtailtflggfhpqteslwltdmahhhlaiavlfivaghmyrtnfgighs
ikemmnaktffgkpvegpfnmphqgiydtynnslhfqlgwhlaclgvvtswvaqhmyslp
syafiakdyttqaalythhqyiaiflmvgafahgaiflvrdydpeqnkgnvlervlqhke
aiishlswvslflgfhtlglyvhndvvvafgtpekqiliepvfaqfiqaahgkvlygldt
llsnpdsvaytaypnyanvwlpgwldainsgtnslfltigpgdflvhhaialglhtttli
lvkgaldargsklmpdkkdfgyafpcdgpgrggtcdisawdsfylslfwalntvgwvtfy
whwkhlgiwqgnvaqfnenstylmgwfrdylwansaqlingynpygvnnlsvwawmflfg
hlvwatgfmfliswrgywqelietlvwahertpianlvrwkdkpvalsivqarvvglahf
tvgyvltyaafliastagkfg

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61B (B:)
atkfpkfsqdlaqdpttrriwyamamgndfeshdgmteenlyqkifathfghlaiiflwa
ssllfhvawqgnfeqwikdplhvrpiahaiwdphfgkpaieaftqagangpvniaysgvy
hwwytigmrtntelytgsvflllfaslflfagwlhlqpkfrpslawfksaesrlnhhlag
lfgvsslawaghlihvaipesrgqhvgwdnflstaphpaglqpfftgnwgvyaqnpdtag
hifstsqgagtailtflggfhpqteslwltdmahhhlaiavlfivaghmyrtnfgighsi
kemmnaktffgkpvegpfnmphqgiydtynnslhfqlgwhlaclgvvtswvaqhmyslps
yafiakdyttqaalythhqyiaiflmvgafahgaiflvrdydpeqnkgnvlervlqhkea
iishlswvslflgfhtlglyvhndvvvafgtpekqiliepvfaqfiqaahgkvlygldtl
lsnpdsvaytaypnyanvwlpgwldainsgtnslfltigpgdflvhhaialglhtttlil
vkgaldargsklmpdkkdfgyafpcdgpgrggtcdisawdsfylslfwalntvgwvtfyw
hwkhlgiwqgnvaqfnenstylmgwfrdylwansaqlingynpygvnnlsvwawmflfgh
lvwatgfmfliswrgywqelietlvwahertpianlvrwkdkpvalsivqarvvglahft
vgyvltyaafliastagkfg

  • Chain 'C':
    No sequence available.

  • Chain 'D':
    No sequence available.

  • Chain 'E':
    Sequence, based on SEQRES records: (download) 
    >6k61E (E:)
mvqrgskvrilrpesywfqdvgtvasvdqsgikypvivrfdkvnyagintnnfavdelie
veapkakakk

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61E (E:)
vqrgskvrilrpesywfqdvgtvasvdqsgikypvivrfdkvnyagintnnfavdeliev
e

  • Chain 'F':
    Sequence, based on SEQRES records: (download) 
    >6k61F (F:)
mrrlfalilviclsfsfappakalgadltpcaenpafqalaknarnttadpqsgqkrfer
ysqalcgpegyphlivdgrldragdflipsilflyiagwigwvgraylqaikkdsdteqk
eiqldlgialpiiatgfawpaaavkellsgeltakdseitvspr

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61F (F:)
lgadltpcaenpafqalaknarnttadpqsgqkrferysqalcgpegyphlivdgrldra
gdflipsilflyiagwigwvgraylqaikkdsdteqkeiqldlgialpiiatgfawpaaa
vkellsgeltakdseitvspr

  • Chain 'I':
    No sequence available.

  • Chain 'J':
    Sequence, based on SEQRES records: (download) 
    >6k61J (J:)
madkadqssylikfistapvaatiwltitagiliefnrffpdllfhplp

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61J (J:)
adqssylikfistapvaatiwltitagiliefnrffpdllfhplp

  • Chain 'K':
    No sequence available.

  • Chain 'L':
    Sequence, based on SEQRES records: (download) 
    >6k61L (L:)
maqavdasknlpsdprnrevvfpagrdpqwgnletpvnasplvkwfinnlpayrpgltpf
rrglevgmahgyflfgpfaklgplrdaananlagllgaiglvvlftlalslyansnppta
lasvtvpnppdafqskegwnnfasafliggiggavvayfltsnlaliqglvg

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61L (L:)
nrevvfpagrdpqwgnletpvnasplvkwfinnlpayrpgltpfrrglevgmahgyflfg
pfaklgplrdaananlagllgaiglvvlftlalslyansnpptalasvtvpnppdafqsk
egwnnfasafliggiggavvayfltsnlaliqglv

  • Chain 'M':
    Sequence, based on SEQRES records: (download) 
    >6k61M (M:)
mssisdtqvyialvvalipgllawrlatelyk

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61M (M:)
ssisdtqvyialvvalipgllawrlatelyk

  • Chain 'X':
    No sequence available.

  • Chain 'a':
    No sequence available.

  • Chain 'b':
    No sequence available.

  • Chain 'c':
    Sequence, based on SEQRES records: (download) 
    >6k61c (c:)
mshtvkiydtcigctqcvracptdvlemvpwdgckaaqvassprtedcvgckrcetacpt
dflsirvylgaettrsmglay

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61c (c:)
shtvkiydtcigctqcvracptdvlemvpwdgckaaqvassprtedcvgckrcetacptd
flsirvylgaettrsmglay

  • Chain 'd':
    Sequence, based on SEQRES records: (download) 
    >6k61d (d:)
maetlsgktplfagstgglltkaveeekyaitwtspkaqvfelptggaatmhegenllyi
arkeygialggqlrkfkitnykiyrilpsgettfihpadgvfpekvnagrekvrfnarsi
genpnpsqvkfsgkatyda

    Sequence, based on observed residues (ATOM records): (download) 
    >6k61d (d:)
tlsgktplfagstgglltkaveeekyaitwtspkaqvfelptggaatmhegenllyiark
eygialggqlrkfkitnykiyrilpsgettfihpadgvfpekvnagrekvrfnarsigen
pnpsqvkfsgkatyda

  • Chain 'e':
    No sequence available.

  • Chain 'f':
    No sequence available.

  • Chain 'i':
    No sequence available.

  • Chain 'j':
    No sequence available.

  • Chain 'k':
    No sequence available.

  • Chain 'l':
    No sequence available.

  • Chain 'm':
    No sequence available.

  • Chain 'x':
    No sequence available.