Structure of PDB 7dr2 Chain dA

Receptor sequence

>7dr2dA (length=739) Species: 2762 (Cyanophora paradoxa)

KIVIDKDPVSTSFDKWAVPGHFSRTLAKGPKTTTWIWNLHADVHDFDSYT
SDLEEVSRKIFSAHFGHLAVVFIWLSGAYFHGARFSNYEAWLSNPTTIKP
SAQVVWPIVGQEILNGDVGGGFQGIQITSGLFQMWRASGITTELQLYVTA
IGALVMAALMLFAGWFHYHKAAPKLEWFQNAESMMNHHLGGLFGLGSLSW
AGHQIHVSLPVNKLLDSGVSPQEIPLPHEFILNKDLIAQLYPSFGQGLTP
FFTLNWNEYSDFLTFKGGLNPVTGGLWLSDSAHHHLAIAVLFIVAGHMYR
TNWGIGHSMKEMYDSHKGPFTGEGHKGVYEIFTNSWHAQLSLNLALFGSL
SIIVAHHMYSMPPYPYLATDYATSLCLFTHHVWIGGFLIVGAGAHAAIFM
VRDYDPAQNYNNLVDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMR
ALGRPQDMFSDAAIQLQPVFAQWVQGVNSAAAGNTAPNALANASYAFGGD
IVSVGGKVAMMPISLGTADFLVHHIHAFTIHVTVLILLKGVLFARNSRLI
PDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSVVLFHFSWK
MQSDVWGNVTADGAVSHITGNNFAQGAITINGWLRDFLWAQASQVIQSYG
SALSAYGLMFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKFAPS
IQPRALSITQGRAVGVAHYLLGGIATTWSFFHARIISVG

3D structure

• PDB: 7dr2 Structural insights into an evolutionary turning-point of photosystem I from prokaryotes to eukaryotes
• Chain: dA
• Resolution: 3.8 Å

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	dA	I538 F541 T542 Y600 N601 F608 W646 L651 F673 H677 W680 T739 T740 F743	I525 F528 T529 Y587 N588 F595 W633 L638 F660 H664 W667 T726 T727 F730
BS02	CLA	dA	F453 I457 D460 F541 F597 W598 I643 W680 Y732	F440 I444 D447 F528 F584 W585 I630 W667 Y719
BS03	CLA	dA	F678 A681 F682 L684 M685 Y693 W694 L697	F665 A668 F669 L671 M672 Y680 W681 L684
BS04	CLA	dA	I49 H53	I36 H40
BS05	CLA	dA	H34 F35 V56 H57 F59 A76	H21 F22 V43 H44 F46 A63
BS06	CLA	dA	H57 F59 I73 H77 H80 L81 F85 W349 H350 Q352 L353 N356	H44 F46 I60 H64 H67 L68 F72 W336 H337 Q339 L340 N343
BS07	CLA	dA	H80 W87 F360 L401	H67 W74 F347 L388
BS08	CLA	dA	W87 S89 G90 F93 H94 F98 W119	W74 S76 G77 F80 H81 F85 W106
BS09	CLA	dA	W87 Q116 I140 Y669	W74 Q103 I127 Y656
BS10	CLA	dA	Q116 V117 V118 W119 Q124	Q103 V104 V105 W106 Q111
BS11	CLA	dA	I15 I17 F78 L172 F175 A176 F179 H180 W190	I2 I4 F65 L159 F162 A163 F166 H167 W177
BS12	CLA	dA	S25 F26 K28 W29 H34 K72 S75 L174 G177 W178 Y181 H182	S12 F13 K15 W16 H21 K59 S62 L161 G164 W165 Y168 H169
BS13	CLA	dA	I15 W190 S196 H200 W316	I2 W177 S183 H187 W303
BS14	CLA	dA	F74 H77 F78 W190 M197 H200 H201	F61 H64 F65 W177 M184 H187 H188
BS15	CLA	dA	G152 Q158 T162 S212 W213 G215 H216 V220 P240	G139 Q145 T149 S199 W200 G202 H203 V207 P227
BS16	CLA	dA	L211 G215 I218 H219 F257 G260 L261 L299	L198 G202 I205 H206 F244 G247 L248 L286
BS17	CLA	dA	V161 L239 H241	V148 L226 H228
BS18	CLA	dA	F264 W269 Y272 L276 T277 F278 H296 L299 A300 V303 V307 N501	F251 W256 Y259 L263 T264 F265 H283 L286 A287 V290 V294 N488
BS19	CLA	dA	F278 L289 D293 H296 H297 A300 I301 H370 M374	F265 L276 D280 H283 H284 A287 I288 H357 M361
BS20	CLA	dA	G209 W213 H297 H298 I301 F305 L363 V367 P376 Y377	G196 W200 H284 H285 I288 F292 L350 V354 P363 Y364
BS21	CLA	dA	N199 H200 G203 L208 H310 T314 W316	N186 H187 G190 L195 H297 T301 W303
BS22	CLA	dA	M198 L202 L304 F305 M311 Y312 M322 M325 Y326	M185 L189 L291 F292 M298 Y299 M309 M312 Y313
BS23	CLA	dA	V307 I318 G319 H320	V294 I305 G306 H307
BS24	CLA	dA	H320 E324 M325 H329	H307 E311 M312 H316
BS25	CLA	dA	Y326 H338 V341 L426	Y313 H325 V328 L413
BS26	CLA	dA	A194 M197 M198 H201 M322 Y326 Y342 F345 T346 S348 W349 Q352 L355 N356 F360	A181 M184 M185 H188 M309 Y313 Y329 F332 T333 S335 W336 Q339 L342 N343 F347
BS27	CLA	dA	I365 I366 H369 I402 I543 V547	I352 I353 H356 I389 I530 V534
BS28	CLA	dA	L359 I366 H370 S373 M374 S507 F510	L346 I353 H357 S360 M361 S494 F497
BS29	CLA	dA	W87 S142 C389 T392 H393 W396 I397 W741 H745	W74 S129 C376 T379 H380 W383 I384 W728 H732
BS30	CLA	dA	W87 S142 G143 M147 F206 F360 L363 S364 V367 M371 Y377 L390 H393 H394 I397	W74 S129 G130 M134 F193 F347 L350 S351 V354 M358 Y364 L377 H380 H381 I384
BS31	CLA	dA	A54 H57 D58 L353 L357 F400 G404 A407 H408 I411 F571 R572 W589	A41 H44 D45 L340 L344 F387 G391 A394 H395 I398 F558 R559 W576
BS32	CLA	dA	F333 T334 R429 V430 H433 H440	F320 T321 R416 V417 H420 H427
BS33	CLA	dA	H440 W443	H427 W430
BS34	CLA	dA	W443 I446 F447 F450 H451	W430 I433 F434 F437 H438
BS35	CLA	dA	F450 G454 L455 I457 H458 M462 D470	F437 G441 L442 I444 H445 M449 D457
BS36	CLA	dA	V487 N491 A494 T498 A499	V474 N478 A481 T485 A486
BS37	CLA	dA	F278 T498 A499 P500 N501	F265 T485 A486 P487 N488
BS38	CLA	dA	H369 Y372 A484 V487 Q488 I526 L528 H536 H539 V606 H609 F610	H356 Y359 A471 V474 Q475 I513 L515 H523 H526 V593 H596 F597
BS39	CLA	dA	V444 L448 P481 V482 F483 A484 F533 H536 H537 A540	V431 L435 P468 V469 F470 A471 F520 H523 H524 A527
BS40	CLA	dA	L441 I543 H544 V547	L428 I530 H531 V534
BS41	CLA	dA	I701 H705 F710	I688 H692 F697
BS42	CLA	dA	W50 F682 Q723 A726 V727 H731 L734	W37 F669 Q710 A713 V714 H718 L721
BS43	CLA	dA	W443 I446	W430 I433
BS44	CLA	dA	H329 K330 P332 F333	H316 K317 P319 F320
BS45	PQN	dA	M685 F686 S689 G690 W694 L719	M672 F673 S676 G677 W681 L706
BS46	SF4	dA	C575 G577 P578 C584	C562 G564 P565 C571
BS47	CLA	dA	L651 W652	L638 W639
BS48	CLA	dA	L674 G675 H677 F678 A681	L661 G662 H664 F665 A668
BS49	CLA	dA	N442 I446 G449 F450 F453 F541 L548 I549 F597 W598	N429 I433 G436 F437 F440 F528 L535 I536 F584 W585
BS50	CLA	dA	A464 L465	A451 L452
BS51	CLA	dA	W703 K707 L708	W690 K694 L695
BS52	CLA	dA	T46 H705 F710 P712 P716	T33 H692 F697 P699 P703

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:0009536 plastid
• GO:0009579 thylakoid
• GO:0016020 membrane
• GO:0042651 thylakoid membrane

External links

• PDB: RCSB:7dr2, PDBe:7dr2, PDBj:7dr2
• PDBsum: 7dr2
• UniProt: A0A097PBL3