Structure of PDB 6k61 Chain A

Receptor sequence
>6k61A (length=742) Species: 103690 (Nostoc sp. PCC 7120 = FACHB-418) [Search protein sequence]
KKARVIVDKDPVPTSFEKWAQPGHFDRTLARGPKTTTWIWNLHALAHDFD
THTSDLEDISRKIFAAHFGHLAVVTIWLSGMIFHGAKFSNYEAWLSDPLN
VRPSAQVVWPIVGQDILNGDVGGGFHGIQITSGLFQVWRGWGITNSFQLY
CTAIGGLVLAGLFLFAGWFHYHKRAPKLEWFQNVESMLNHHLQVLLGCGS
LGWAGHLIHVSAPINKLMDAGVAVKDIPLPHEFILNKSLLIDLFPGFAAG
LTPFFTLNWGQYADFLTFKGGLNPVTGGLWMTDIAHHHLAIAVVFIIAGH
QYRTNWGIGHSIKEILENHKGPFTGEGHKGLYENLTTSWHAQLATNLAFL
GSLTIIIAHHMYAMPPYPYLATDYATQLCIFTHHIWIGGFLIVGGAAHAA
IFMVRDYDPVVNQNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHND
TMRALGRPQDMFSDTAIQLQPVFAQWVQNLHTLAPGGTAPNALEPVSYAF
GGGVLAVGGKVAMMPIALGTADFLIHHIHAFTIHVTVLILLKGVLFARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHF
SWKMQSDVWGTVDAAGNVSHITGGNFAQSAITINGWLRDFLWAQASQVIN
SYGSALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APAIQPRALSITQGRAVGVAHYLLGGIATTWAFFHAHILSVG
3D structure
PDB6k61 Structural and functional insights into the tetrameric photosystem I from heterocyst-forming cyanobacteria.
ChainA
Resolution2.37 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 CL0 A I538 F541 Y600 N601 S604 I605 F608 L651 F673 H677 W680 T739 T740 F743 I528 F531 Y590 N591 S594 I595 F598 L641 F663 H667 W670 T729 T730 F733
BS02 CLA A F453 I457 F541 F597 W598 N601 I643 W680 Y732 F443 I447 F531 F587 W588 N591 I633 W670 Y722
BS03 CLA A P32 I49 L52 H53 P22 I39 L42 H43
BS04 CLA A H34 F35 A56 H57 H24 F25 A46 H47
BS05 CLA A H57 I73 A76 H77 H80 L81 V84 W349 H350 Q352 L353 N356 H47 I63 A66 H67 H70 L71 V74 W339 H340 Q342 L343 N346
BS06 CLA A H80 V84 W87 F400 L401 H70 V74 W77 F390 L391
BS07 CLA A G90 F93 H94 F98 W119 G80 F83 H84 F88 W109
BS08 CLA A M91 Q116 I140 S142 A668 Y669 M81 Q106 I130 S132 A658 Y659
BS09 CLA A Q116 W119 Q124 L127 A668 Q106 W109 Q114 L117 A658
BS10 CLA A F74 F78 A176 F179 H180 W190 F64 F68 A166 F169 H170 W180
BS11 CLA A T24 S25 F26 K28 W29 H34 K72 A75 L174 G177 W178 Y181 H182 T14 S15 F16 K18 W19 H24 K62 A65 L164 G167 W168 Y171 H172
BS12 CLA A W190 S196 H200 N315 W180 S186 H190 N305
BS13 CLA A F74 H77 F78 L81 W190 F191 M197 H200 H201 V204 F64 H67 F68 L71 W180 F181 M187 H190 H191 V194
BS14 CLA A W151 G152 I153 Q158 T162 G212 W213 H216 V220 P240 W141 G142 I143 Q148 T152 G202 W203 H206 V210 P230
BS15 CLA A L211 G215 I218 H219 K247 F257 G260 L261 Y272 L201 G205 I208 H209 K237 F247 G250 L251 Y262
BS16 CLA A F157 H241 L245 F147 H231 L235
BS17 CLA A W269 L276 H296 L299 A300 V303 N501 W259 L266 H286 L289 A290 V293 N491
BS18 CLA A F278 L289 D293 I294 H296 H297 I301 H370 M374 V506 F268 L279 D283 I284 H286 H287 I291 H360 M364 V496
BS19 CLA A W151 L206 S210 W213 H297 H298 F305 I367 P376 Y377 W141 L196 S200 W203 H287 H288 F295 I357 P366 Y367
BS20 CLA A H200 Q203 C208 H310 T314 H190 Q193 C198 H300 T304
BS21 CLA A L202 L206 V304 F305 A308 Q311 Y312 L192 L196 V294 F295 A298 Q301 Y302
BS22 CLA A I307 Q311 I318 G319 H320 I297 Q301 I308 G309 H310
BS23 CLA A H320 N328 H329 H310 N318 H319
BS24 CLA A L326 H329 H338 V426 L427 L316 H319 H328 V416 L417
BS25 CLA A V194 M197 L198 H201 I322 L345 T346 S348 W349 Q352 N356 F359 V184 M187 L188 H191 I312 L335 T336 S338 W339 Q342 N346 F349
BS26 CLA A I365 I366 H369 I402 I543 V547 I355 I356 H359 I392 I533 V537
BS27 CLA A F359 I366 H370 A373 M374 V506 F510 F349 I356 H360 A363 M364 V496 F500
BS28 CLA A W87 M91 S142 C389 T392 H393 W396 I737 W741 W77 M81 S132 C379 T382 H383 W386 I727 W731
BS29 CLA A W87 S142 G143 T364 I367 M371 Y377 H393 H394 W77 S132 G133 T354 I357 M361 Y367 H383 H384
BS30 CLA A H53 H57 D58 L353 L357 F400 G404 H408 I411 R415 R572 W589 H43 H47 D48 L343 L347 F390 G394 H398 I401 R405 R562 W579
BS31 CLA A F333 T334 V426 R429 V430 H433 I437 H440 F323 T324 V416 R419 V420 H423 I427 H430
BS32 CLA A H440 W443 H430 W433
BS33 CLA A W443 I446 F447 F450 H451 W433 I436 F437 F440 H441
BS34 CLA A F450 G454 L455 I457 H458 T461 M462 R467 D470 F440 G444 L445 I447 H448 T451 M452 R457 D460
BS35 CLA A L490 H491 A494 T498 L480 H481 A484 T488
BS36 CLA A F278 T498 P500 N501 F268 T488 P490 N491
BS37 CLA A H369 Y372 A484 V487 Q488 F510 I526 H536 H539 V606 H609 H359 Y362 A474 V477 Q478 F500 I516 H526 H529 V596 H599
BS38 CLA A F447 L448 P481 F483 A484 F533 H536 H537 H544 F437 L438 P471 F473 A474 F523 H526 H527 H534
BS39 CLA A L441 V444 H544 V547 L431 V434 H534 V537
BS40 CLA A T46 I49 H705 P712 P716 T36 I39 H695 P702 P706
BS41 CLA A W50 F682 A726 V727 H731 W40 F672 A716 V717 H721
BS42 CLA A W443 I446 W433 I436
BS43 CLA A K330 G331 P332 F333 K320 G321 P322 F323
BS44 PQN A M685 F686 S689 R691 W694 A718 L719 M675 F676 S679 R681 W684 A708 L709
BS45 SF4 A C575 G577 P578 C584 C565 G567 P568 C574
BS46 CLA A F678 A681 F682 L684 M685 Y693 W694 F668 A671 F672 L674 M675 Y683 W684
BS47 CLA A I701 A704 H705 I691 A694 H695
BS48 CLA A L671 L674 G675 H677 F678 W680 A681 L661 L664 G665 H667 F668 W670 A671
BS49 CLA A L647 W652 L637 W642
BS50 CLA A N442 C445 I446 G449 F450 L548 I549 F597 W598 N432 C435 I436 G439 F440 L538 I539 F587 W588
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6k61, PDBe:6k61, PDBj:6k61
PDBsum6k61
PubMed31595062
UniProtP58576|PSAA_NOSS1 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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