Structure of PDB 6uzv Chain A

Receptor sequence

>6uzvA (length=739) Species: 1111708 (Synechocystis sp. PCC 6803 substr. Kazusa)

KVSVDNNPVPTSFEKWGKPGHFDRTLARGPKTTTWIWNLHANAHDFDSQT
SDLEDVSRKIFSAHFGHLAVVFVWLSGMYFHGAKFSNYEGWLADPTHIKP
SAQVVWPIVGQGILNGDVGGGFHGIQITSGLFYLWRASGFTDSYQLYCTA
IGGLVMAALMLFAGWFHYHVKAPKLEWFQNVESMMNHHLAGLLGLGSLGW
AGHQIHVSMPINKLLDAGVAPKDIPLPHEFILEPSKMAELYPSFAQGLTP
FFTLNWGVYSDFLTFKGGLNPVTGGLWLSDTAHHHLAIAVLFIIAGHMYR
TNWGIGHSMKEILEAHKGPFTGEGHKGLYEILTTSWHAQLAINLALLGSL
TIIVAQHMYAMPPYPYQAIDYATQLSLFTHHMWIGGFLIVGAGAHGAIFM
VRDYDPAKNVNNLLDRMLRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMR
ALGRPQDMFSDTAIQLQPIFAQWVQHLHTLAPGATAPNALATASYAFGGE
TIAVAGKVAMMPITLGTADFMVHHIHAFTIHVTALILLKGVLYARSSRLV
PDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWK
MQSDVWGTVSPDGSVTHVTLGNFAQSAITINGWLRDFLWAQAANVINSYG
SALSAYGIMFLAGHFVFAFSLMFLFSGRGYWQELIESIVWAHNKLNVAPA
IQPRALSIIQGRAVGVAHYLLGGIVTTWAFFLARSLSIG

3D structure

• PDB: 6uzv The structure of a red-shifted photosystem I reveals a red site in the core antenna.
• Chain: A
• Resolution: 3.1 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	A	I537 Y599 N600 I604 F607 I642 L650 F672 H676 F679 Y731 T738 T739 F742	I525 Y587 N588 I592 F595 I630 L638 F660 H664 F667 Y719 T726 T727 F730
BS02	CLA	A	F452 I456 F540 W597 N600 L646 Y731	F440 I444 F528 W585 N588 L634 Y719
BS03	CLA	A	I48 W49 L51 H52	I36 W37 L39 H40
BS04	CLA	A	W28 H33 F34 A55 H56 F58 Q61 H79	W16 H21 F22 A43 H44 F46 Q49 H67
BS05	CLA	A	H56 I72 A75 H76 H79 L80 F84 W348 H349 Q351 L352 N355	H44 I60 A63 H64 H67 L68 F72 W336 H337 Q339 L340 N343
BS06	CLA	A	H56 H79 V82 W86 L359 L400	H44 H67 V70 W74 L347 L388
BS07	CLA	A	W86 G89 F92 H93 F97 W118 L166	W74 G77 F80 H81 F85 W106 L154
BS08	CLA	A	M90 Q115 I139 T140 S141 Y668 W740	M78 Q103 I127 T128 S129 Y656 W728
BS09	CLA	A	Q115 W118 Q123 L126	Q103 W106 Q111 L114
BS10	CLA	A	F73 F77 L171 A175 F178 H179 K183 W189	F61 F65 L159 A163 F166 H167 K171 W177
BS11	CLA	A	T23 S24 F25 K27 W28 H33 K71 S74 V82 L173 G176 Y180 H181	T11 S12 F13 K15 W16 H21 K59 S62 V70 L161 G164 Y168 H169
BS12	CLA	A	V14 W189 S195 H199 N314 W315	V2 W177 S183 H187 N302 W303
BS13	CLA	A	F73 H76 F77 W189 F190 M196 H199 H200	F61 H64 F65 W177 F178 M184 H187 H188
BS14	CLA	A	G151 F152 Q157 T161 G211 W212 H215 H218 V219 P239	G139 F140 Q145 T149 G199 W200 H203 H206 V207 P227
BS15	CLA	A	L210 G214 H218 I243 F256 L260	L198 G202 H206 I231 F244 L248
BS16	CLA	A	C160 H240 L244	C148 H228 L232
BS17	CLA	A	F263 W268 Y271 L275 H295 L298 A299 V302 N500	F251 W256 Y259 L263 H283 L286 A287 V290 N488
BS18	CLA	A	F277 L288 D292 H295 H296 I300 H369 M373 A505	F265 L276 D280 H283 H284 I288 H357 M361 A493
BS19	CLA	A	G208 W212 Q216 T293 H296 H297 L362 V366 M370 P375 Y376	G196 W200 Q204 T281 H284 H285 L350 V354 M358 P363 Y364
BS20	CLA	A	N198 H199 A202 L207 H309 T313 W315 I317	N186 H187 A190 L195 H297 T301 W303 I305
BS21	CLA	A	M197 L201 L205 F304 A307 M310 Y311 L358	M185 L189 L193 F292 A295 M298 Y299 L346
BS22	CLA	A	I306 M310 G318 H319	I294 M298 G306 H307
BS23	CLA	A	H319 I324 A327 H328	H307 I312 A315 H316
BS24	CLA	A	L325 H328 H337 L340 L425	L313 H316 H325 L328 L413
BS25	CLA	A	V193 M196 M197 H200 M321 L344 T345 W348 Q351 I354 N355 L358	V181 M184 M185 H188 M309 L332 T333 W336 Q339 I342 N343 L346
BS26	CLA	A	I364 I365 Q368 I401 I542 T545 S601	I352 I353 Q356 I389 I530 T533 S589
BS27	CLA	A	L358 L362 I365 Q368 H369 A372 M373 S506 F509	L346 L350 I353 Q356 H357 A360 M361 S494 F497
BS28	CLA	A	W86 S141 T391 H392 W395 I396 M671 I736 W740	W74 S129 T379 H380 W383 I384 M659 I724 W728
BS29	CLA	A	G142 L146 L359 T363 V366 M370 Y376 L389 H392 H393	G130 L134 L347 T351 V354 M358 Y364 L377 H380 H381
BS30	CLA	A	A53 H56 D57 L352 L356 F399 G403 H407 I410 F570 R571 W588	A41 H44 D45 L340 L344 F387 G391 H395 I398 F558 R559 W576
BS31	CLA	A	F332 L425 R428 M429 H432 H439	F320 L413 R416 M417 H420 H427
BS32	CLA	A	W442 F446 F449 H450	W430 F434 F437 H438
BS33	CLA	A	F449 G453 L454 I456 H457 M461 R466 D469 I476	F437 G441 L442 I444 H445 M449 R454 D457 I464
BS34	CLA	A	H490 A493 T497	H478 A481 T485
BS35	CLA	A	F277 T497 P499 N500	F265 T485 P487 N488
BS36	CLA	A	Q368 Y371 F482 A483 W485 V486 Q487 F509 I525 H535 H538 H608 K612	Q356 Y359 F470 A471 W473 V474 Q475 F497 I513 H523 H526 H596 K600
BS37	CLA	A	V443 F446 L447 P480 I481 F482 A483 F532 H535 H536 A539 H543	V431 F434 L435 P468 I469 F470 A471 F520 H523 H524 A527 H531
BS38	CLA	A	L440 I542 H543	L428 I530 H531
BS39	CLA	A	I700 H704 L707	I688 H692 L695
BS40	CLA	A	W49 F677 F681 Q722 V726 H730	W37 F665 F669 Q710 V714 H718
BS41	CLA	A	H328 K329 P331 F332	H316 K317 P319 F320
BS42	PQN	A	M684 F685 W693 A717 L718 G723	M672 F673 W681 A705 L706 G711
BS43	SF4	A	C574 G576 C583 I720	C562 G564 C571 I708
BS44	CLA	A	F677 A680 F681 L683 M684 Y692 W693	F665 A668 F669 L671 M672 Y680 W681
BS45	CLA	A	H439 W442	H427 W430
BS46	CLA	A	I670 L673 A674 H676 F677 F679 A680	I658 L661 A662 H664 F665 F667 A668
BS47	CLA	A	L646 L650 W651	L634 L638 W639
BS48	CLA	A	I445 G448 F449 F452 F540 L547 W597	I433 G436 F437 F440 F528 L535 W585
BS49	CLA	A	A463 L464	A451 L452
BS50	CLA	A	W702 K706	W690 K694
BS51	CLA	A	T45 I700 H704 P711 P715	T33 I688 H692 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:0005886 plasma membrane
• GO:0009522 photosystem I
• GO:0009579 thylakoid
• GO:0016020 membrane
• GO:0031676 plasma membrane-derived thylakoid membrane
• GO:0042651 thylakoid membrane

External links

• PDB: RCSB:6uzv, PDBe:6uzv, PDBj:6uzv
• PDBsum: 6uzv
• PubMed: 33077842
• UniProt: P29254|PSAA_SYNY3 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)