Structure of PDB 7qco Chain a

Receptor sequence
>7qcoa (length=728) Species: 1378066 (Chroococcidiopsis sp. TS-821) [Search protein sequence]
SFEKWGQPGHFDRTLAKGPKTTTWIWNLHALAHDFDTHTSDLEDISRKIF
AAHFGQLAVIFLWLSGMEFHGARFSNYEAWLSDPIGIKPSAQVVWPIVGQ
DILNADVGGGFHGIQITSGLFQVWRAAGFTNSFQLYVTAIGGLVAAALML
FAGWFHYHKRAPKLEWFQNAESMLNHHLAGLLGLGCLSWAGHQIHVALPV
NKLLDAGVAPKDIPLPHEFILNNSLMAELYPSFAKGLTPFWTLNWGQYAD
FLTFKGGLNPVTGGLWLTDTAHHHLALAVLFIVAGHMYRTNWGIGHSIKE
ILENHKGPFTGDGHKGLYENMTTSWHAQLGTNLAMLGSLTIIVAHHMYAM
PPYPYLATDYATALSIFTHHMWIGGFLIVGGAAHATIFMVRDYDPAVNQN
NVLDRVIRHRDAIISHLNWVCMFLGFHSFGLYIHNDTMQALGRPQDMFSD
TAIQLQPVFAQFVQNIHTLAPGSTAPNALEPVSYAFGGGVVAVGGKIAMM
PIALGTADFMIHHIHAFQIHVTVLILLKGFLFARNSRLIPDKANLGFRFP
CDGPGRGGTCQVSGWDHVFLGLFWMFNTIAIAVYHFSWKMQSDVWGTIDP
DGTIAHITGGNFAMSANTINGWLRDYQWAQAAQVIQSYGSALSAYGLLFL
GAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPTIQPRALSIIQG
RAVGVAHYLLGAIVTIWAFFEARIISVG
3D structure
PDB7qco Cryo-EM structure of a tetrameric photosystem I from Chroococcidiopsis TS-821, a thermophilic, unicellular, non-heterocyst-forming cyanobacterium.
Chaina
Resolution3.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CLA a A681 M685 Y693 W694 L697 A657 M661 Y669 W670 L673
BS02 CLA a F453 F541 W598 N601 I643 F429 F517 W574 N577 I619
BS03 CLA a I49 L52 H53 I25 L28 H29
BS04 CLA a F35 A56 F11 A32
BS05 CLA a H57 A76 H77 W349 H350 L353 H33 A52 H53 W325 H326 L329
BS06 CLA a Q80 I84 W87 Q56 I60 W63
BS07 CLA a G90 F93 H94 F98 G66 F69 H70 F74
BS08 CLA a M91 Q116 I140 T141 S142 Y669 M67 Q92 I116 T117 S118 Y645
BS09 CLA a Q116 V118 W119 Q124 Q92 V94 W95 Q100
BS10 CLA a H180 W190 H156 W166
BS11 CLA a S25 W29 W178 Y181 H182 S1 W5 W154 Y157 H158
BS12 CLA a H200 W316 H176 W292
BS13 CLA a H77 M197 H200 H201 L205 H53 M173 H176 H177 L181
BS14 CLA a S212 W213 H216 P240 H241 S188 W189 H192 P216 H217
BS15 CLA a I244 F257 K259 I220 F233 K235
BS16 CLA a W269 H296 N501 W245 H272 N477
BS17 CLA a F278 D293 T294 H296 H297 A300 L301 L304 H370 M374 V506 F254 D269 T270 H272 H273 A276 L277 L280 H346 M350 V482
BS18 CLA a L206 W213 H297 H298 L301 F305 P376 Y377 L182 W189 H273 H274 L277 F281 P352 Y353
BS19 CLA a H200 H310 T314 W316 H176 H286 T290 W292
BS20 CLA a A308 M311 Y312 A284 M287 Y288
BS21 CLA a M311 G319 H320 M287 G295 H296
BS22 CLA a N328 H329 N304 H305
BS23 CLA a L326 H329 H338 V426 L302 H305 H314 V402
BS24 CLA a L198 M345 N356 L174 M321 N332
BS25 CLA a I365 H369 I543 T546 V547 I341 H345 I519 T522 V523
BS26 CLA a H369 M374 F510 H345 M350 F486
BS27 CLA a W87 T392 H393 I397 W741 F744 E745 W63 T368 H369 I373 W717 F720 E721
BS28 CLA a L360 T364 Y377 H393 H394 L336 T340 Y353 H369 H370
BS29 CLA a H53 A54 H57 G404 H408 I411 R572 H29 A30 H33 G380 H384 I387 R548
BS30 CLA a F333 R429 V430 H433 F309 R405 V406 H409
BS31 CLA a H440 W443 H416 W419
BS32 CLA a F447 F450 H451 F423 F426 H427
BS33 CLA a G454 L455 I457 H458 D470 G430 L431 I433 H434 D446
BS34 CLA a I490 H491 A494 T498 I466 H467 A470 T474
BS35 CLA a S497 T498 A499 P500 N501 S473 T474 A475 P476 N477
BS36 CLA a H369 F483 A484 F510 H536 H539 H609 K613 H345 F459 A460 F486 H512 H515 H585 K589
BS37 CLA a P481 F483 F533 H537 P457 F459 F509 H513
BS38 CLA a V444 H544 V420 H520
BS39 CLA a I701 H705 V710 I677 H681 V686
BS40 CLA a T46 H705 V710 P712 P716 T22 H681 V686 P688 P692
BS41 CLA a F682 V727 H731 F658 V703 H707
BS42 SF4 a C575 C584 C551 C560
BS43 PQN a M685 F686 S689 G690 W694 L719 M661 F662 S665 G666 W670 L695
BS44 CLA a F600 Y608 H677 W680 A736 T739 I740 F743 F576 Y584 H653 W656 A712 T715 I716 F719
BS45 CLA a G449 W598 G425 W574
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7qco, PDBe:7qco, PDBj:7qco
PDBsum7qco
PubMed35059628
UniProtA0A2S6VGM5

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