Structure of PDB 6kmw Chain bB

Receptor sequence

>6kmwbB (length=740) Species: 1641165 (Halomicronema hongdechloris C2206)

ATKFPKFSQDLASDPTTRRIWYGIATAHDFESHDGMTEENLYQKIFASHF
GHLAIIFLWTSGNLFHVAWQGNFQQWVKDPLNISPIAHAIWDPQFGQSAV
EAFSQAGANYPVDIAYSGVYHWWYTIGMRTAGDLYGGALFLMIMAAVFLF
AGWLHLQPRFRPSLAWFKNAESRMNHHLAGLFGVSSLAWAGHLIHVAIPE
SRGQHVGWDNFLFTPPHPAGLTPFFTGNWGVYAQNPDTASHVFGSSTGAG
SAILTFLGGFHPQTESLWLTDMAHHHLAIAVLFIVAGHMYRTNFGIGHNM
KEIMNAHNPPQGTPFGGMIGEGHKGMYDTYNNSLHFQLGWHLACLGVITS
LVAQHMYSLPPYAFLAKSYTTQAALYTHHQYIAGFIMVGAFAHGAIFLIR
DYDPASNSNNVLDRVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVMVAF
GTPEKQILVEPVFAQWIQAAHGKLLYGFDTLLSNPGSIASTAWPNYGNVW
LSGWLDAINSGDNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARG
SKLMPDKKDFGYSFPCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWVTFY
WHWKHLAIWQGNVAQFNESSTYLMGWLRDYLWLNSSQLINGYNPYGMNNL
AVWAWMFLLGHLVWATGFMFLISWRGYWQELIETLVWAHERTPLANLVRW
KDKPVALSIVQARLVGLAHFSVGYIITYAAFLIASTSSRF

3D structure

• PDB: 6kmw Structural basis for the adaptation and function of chlorophyll f in photosystem I.
• Chain: bB
• Resolution: 2.35 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	bB	L628 W633	L627 W632
BS02	CLA	bB	T693 P694	T692 P693
BS03	CLA	bB	S425 S428 W429 L432	S424 S427 W428 L431
BS04	CLA	bB	L686 H690 V699	L685 H689 V698
BS05	SF4	bB	C567 G569 C576 W675	C566 G568 C575 W674
BS06	CLA	bB	H426 W429	H425 W428
BS07	CLA	bB	W656 L659 L660 H662 L663 W665 A666	W655 L658 L659 H661 L662 W664 A665
BS08	CLA	bB	S431 L432 G435 F436 L540 I541 L586 F589 W590	S430 L431 G434 F435 L539 I540 L585 F588 W589
BS09	CLA	bB	W597 F600 L632 S636 I640 F658 H662 W665 Y725 T728 Y729 F732	W596 F599 L631 S635 I639 F657 H661 W664 Y724 T727 Y728 F731
BS10	CLA	bB	D446 W590 N593 W597 L624 W665	D445 W589 N592 W596 L623 W664
BS11	CLA	bB	A666 T667 F669 M670 I673 Y678 W679	A665 T666 F668 M669 I672 Y677 W678
BS12	CLA	bB	F5 I25 A28 H29 I56	F4 I24 A27 H28 I55
BS13	CLA	bB	H29 F31 I46 S49 H50 H53 L54 L335 Q338 L339 H342	H28 F30 I45 S48 H49 H52 L53 L334 Q337 L338 H341
BS14	CLA	bB	H29 H53 W60	H28 H52 W59
BS15	CLA	bB	L59 W60 G63 F66 H67 W70 Q71	L58 W59 G62 F65 H66 W69 Q70
BS16	CLA	bB	N64 A88 H89 D114 Y117 S118 V653 W654	N63 A87 H88 D113 Y116 S117 V652 W653
BS17	CLA	bB	I91 W92 D93 Q95 F96 D114 V653 W656	I90 W91 D92 Q94 F95 D113 V652 W655
BS18	CLA	bB	F51 V148 A152 L155 H156 F161 W167	F50 V147 A151 L154 H155 F160 W166
BS19	CLA	bB	S173 H177 F295	S172 H176 F294
BS20	CLA	bB	F47 H50 F51 L54 W123 W167 F168 R174 H177 H178 F183	F46 H49 F50 L53 W122 W166 F167 R173 H176 H177 F182
BS21	CLA	bB	G128 M129 G137 G138 F141 A189 W190 H193 H196 V197 G208 W209 F212	G127 M128 G136 G137 F140 A188 W189 H192 H195 V196 G207 W208 F211
BS22	CLA	bB	L188 H196 L213 P217 G221 L222	L187 H195 L212 P216 G220 L221
BS23	CLA	bB	W230 G231 L255 F257 H275 L278 A279 V282 V500	W229 G230 L254 F256 H274 L277 A278 V281 V499
BS24	CLA	bB	F257 G259 D272 H275 H276 A279 I280 H356	F256 G258 D271 H274 H275 A278 I279 H355
BS25	CLA	bB	W123 I127 S186 W190 M273 H276 H277 I280 I349 L352 V353 H356 P362 Y363	W122 I126 S185 W189 M272 H275 H276 I279 I348 L351 V352 H355 P361 Y362
BS26	CLA	bB	L179 F284 A287 M290 Y291	L178 F283 A286 M289 Y290
BS27	CLA	bB	N176 H177 A180 G181 V185 H289 T293 F295	N175 H176 A179 G180 V184 H288 T292 F294
BS28	CLA	bB	V286 H289 M290 I297 G298 H299	V285 H288 M289 I296 G297 H298
BS29	CLA	bB	H299 E303 A307 H308 P311 Q312	H298 E302 A306 H307 P310 Q311
BS30	CLA	bB	M305 H324 M327 W341 V412	M304 H323 M326 W340 V411
BS31	CLA	bB	A171 R174 M175 H178 F183 M305 Y328 Y331 W341 H342 C345	A170 R173 M174 H177 F182 M304 Y327 Y330 W340 H341 C344
BS32	CLA	bB	V348 S351 L352 Q355 Q381 M388 F392 L535	V347 S350 L351 Q354 Q380 M387 F391 L534
BS33	CLA	bB	W341 C345 V348 L352 Q355 H356 S359 L360 F517	W340 C344 V347 L351 Q354 H355 S358 L359 F516
BS34	CLA	bB	W60 N64 S118 A375 T378 H379 I726 A730 I734	W59 N63 S117 A374 T377 H378 I725 A729 I733
BS35	CLA	bB	W60 T61 G119 W123 A189 T350 V353 M357 Y363 L376 H379 H380 I383	W59 T60 G118 W122 A188 T349 V352 M356 Y362 L375 H378 H379 I382
BS36	CLA	bB	A26 H29 D30 L339 L343 F386 G390 H394 I397 R401 Y563 W581 F584	A25 H28 D29 L338 L342 F385 G389 H393 I396 R400 Y562 W580 F583
BS37	CLA	bB	I320 R415 H419 I423 H426	I319 R414 H418 I422 H425
BS38	CLA	bB	W429 L432 F433 H437	W428 L431 F432 H436
BS39	CLA	bB	G440 V443 H444 M448 K456 I458	G439 V442 H443 M447 K455 I457
BS40	CLA	bB	W467 I468 H472 L483 W501 W505	W466 I467 H471 L482 W500 W504
BS41	CLA	bB	L482 I489 A490 A493 N496 W501	L481 I488 A489 A492 N495 W500
BS42	CLA	bB	Q355 A465 I468 Q469 F517 L518 H528 V598 Y601 W602	Q354 A464 I467 Q468 F516 L517 H527 V597 Y600 W601
BS43	CLA	bB	F433 L434 P462 V463 F464 A465 F525 H528 H529	F432 L433 P461 V462 F463 A464 F524 H527 H528
BS44	CLA	bB	L427 V430 A532 H536	L426 V429 A531 H535
BS45	CLA	bB	T18 W22 H690 W701 P705	T17 W21 H689 W700 P704
BS46	CLA	bB	L663 T667 F671 A719 H720	L662 T666 F670 A718 H719
BS47	PQN	bB	M670 F671 S674 W675 R676 W679 A707 L708 A713	M669 F670 S673 W674 R675 W678 A706 L707 A712
BS48	CLA	bB	P94 Q95	P93 Q94
BS49	CLA	bB	L695 A696	L694 A695
BS50	CLA	bB	W209 F212 F214	W208 F211 F213
BS51	CLA	bB	V148 W154	V147 W153

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

External links

• PDB: RCSB:6kmw, PDBe:6kmw, PDBj:6kmw
• PDBsum: 6kmw
• PubMed: 31932639
• UniProt: A0A1Z3HRY4