bchY d p c o f g Rhodosalinus s Rhodosalinus sp003298775 WGS ID QNTQ01 1/1 389

0.54 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Pseudooctadecabacter s Pseudooctadecabacter jejudonensis WGS ID FWFT01 1/1-389 0.49 bchY GCA 000014045.1 ASM1404v1 protein ABG29845.1 chlorophyllide reductase subunit Y Roseobacter denitrificans OCh 114 /1-389 0.22bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Ascidiaceihabitans s Ascidiaceihabitans donghaensis WGS ID OMOR01 1/1-389 Tree scale: 1 0.49 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Maliponia s Maliponia aquimaris WGS ID FXYF01 1/1-387

0.52 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Nereida s Nereida ignava WGS ID FORZ01 1/1-390 0.59 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Lutimaribacter s Lutimaribacter saemankumensis WGS ID FNEB01 1/1-389 0.89 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Pseudaestuariivita s Pseudaestuariivita atlantica WGS ID AQQZ01 1/1-390 0.46 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Jannaschia s Jannaschia seohaensis WGS ID QGDJ01 1/1-390 0.17 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Pontivivens s Pontivivens insulae WGS ID OMKW01 1/1-390 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Hwanghaeicola s Hwanghaeicola aestuarii WGS ID QKZL01 1/1-390 0.59 0.28 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Maribius s Maribius salinus WGS ID FQZA01 1/1-387 0.58 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Ponticoccus s Ponticoccus marisrubri WGS ID LPXO01 1/1-389

0.44 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Rhodovulum s Rhodovulum kholense WGS ID MUAV01 1/1-390 0.36 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Tranquillimonas s Tranquillimonas alkanivorans WGS ID FOXA01 1/1-390 0.33 bchY d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodobacterales f Rhodobacteraceae g Roseivivax A s Roseivivax A roseus WGS ID FOGU01 1/1-389 bchZ d Bacteria p Eremiobacterota c Eremiobacteria o UBP12 f UBA5184 g BOG-1502 s BOG-1502 sp003134035 WGS ID PLAE01 1/1-377

0.89 bchZ GCA 000019165.1 ASM1916v1 protein ABZ83897.1 chlorophyllide reductase subunit z Heliobacterium modesticaldum Ice1 /1-442 0.88 bchZ GCA 000226295.1 ASM22629v1 protein AEP12277.1 chlorophyllide reductase subunit Z Chloracidobacterium thermophilum B /3-448 1.00 bchZ d Bacteria p Acidobacteriota c Blastocatellia o Chloracidobacteriales f Chloracidobacteriaceae g Chloracidobacterium s Chloracidobacterium thermophilum A WGS ID LMXM01 1/3-449 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Roseiflexaceae g Kouleothrix s Kouleothrix aurantiaca WGS ID LJCR01 1/3-438

1.00 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Roseiflexaceae g UBA965 s UBA965 sp002292925 WGS ID DBCF01 1/3-464 0.83 bchZ GCA 000016665.1 ASM1666v1 protein ABQ91617.1 chlorophyllide reductase subunit Z Roseiflexus sp. RS-1 /3-455 0.95 0.96 0.92 bchZ GCA 000017805.1 ASM1780v1 protein ABU59783.1 chlorophyllide reductase subunit Z Roseiflexus castenholzii DSM 13941 /3-462 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Chloroflexaceae g UBA1466 s UBA1466 sp002325605 WGS ID DCSM01 1/1-455

1.00 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Chloroflexaceae g Chloroflexus s Chloroflexus islandicus WGS ID LWQS01 1/3-458

0.99 bchZ GCA 000022185.1 ASM2218v1 protein ACM55469.1 chlorophyllide reductase subunit Z Chloroflexus sp. Y-400-fl /3-458

0.86bchZ GCA 000018865.1 ASM1886v1 protein ABY36984.1 chlorophyllide reductase subunit Z Chloroflexus aurantiacus J-10-fl /3-460

0.72 bchZ GCA 000021945.1 ASM2194v1 protein ACL23772.1 chlorophyllide reductase subunit Z Chloroflexus aggregans DSM 9485 /3-460

0.69 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Chloroflexaceae g Chloroploca s Chloroploca asiatica WGS ID LYXE01 1/3-474 0.99 0.82 bchZ GCA 000152145.1 ASM15214v1 protein EFO79679.1 chlorophyllide reductase subunit Z Oscillochloris trichoides DG6 /3-467 0.94 bchZ d Bacteria p Chloroflexota c Chloroflexia o Chloroflexales f Chloroflexaceae g Oscillochloris s Oscillochloris trichoides WGS ID ADVR01 1/3-465 bchZ GCA 000020525.1 ASM2052v1 protein ACF13285.1 chlorophyllide reductase subunit Z Chloroherpeton thalassium ATCC 35110 /1-433 0.99 bchZ d Bacteria p Bacteroidota c Chlorobia o Chlorobiales f Chloroherpetonaceae g Thermochlorobacter s Thermochlorobacter aerophilum WGS ID PHFL01 1/1-437 1.00 bchZ d Bacteria p Bacteroidota c Chlorobia o Chlorobiales f Chloroherpetonaceae g GBChlB s GBChlB sp000724175 WGS ID JPGV01 1/1-431 bchZ GCA 000020505.1 ASM2050v1 protein ACF10547.1 chlorophyllide reductase subunit Z Chlorobaculum parvum NCIB 8327 /1-430 0.99 1.00 bchZ d Bacteria p Bacteroidota c Chlorobia o Chlorobiales f Chlorobiaceae g Chlorobaculum s Chlorobaculum sp001602925 WGS ID LUZT01 1/1-429 0.95 bchZ GCA 000006985.1 ASM698v1 protein AAM73341.1 chlorophyllide reductase bchZ subunit Chlorobium tepidum TLS /1-421 bchZ GCA 000020625.1 ASM2062v1 protein ACF45227.1 chlorophyllide reductase subunit Z Prosthecochloris aestuarii DSM 271 /1-434 0.99 0.97 bchZ d Bacteria p Bacteroidota c Chlorobia o Chlorobiales f Chlorobiaceae g Chlorobium A s Chlorobium A sp003182595 WGS ID PDNZ01 1/1-435 1.00 0.99 bchZ GCA 000020545.1 ASM2054v1 protein ACE03148.1 chlorophyllide reductase subunit Z Chlorobium phaeobacteroides BS1 /1-435

0.91 bchZ GCA 000016085.1 ASM1608v1 protein ABP36214.1 chlorophyllide reductase subunit Z Chlorobium phaeovibrioides DSM 265 /1-434 0.68 bchZ GCA 000012485.1 ASM1248v1 protein ABB23014.1 Chlorophyllide reductase subunit Z Chlorobium luteolum DSM 273 /1-433 bchZ GCA 000015125.1 ASM1512v1 protein ABL66488.1 chlorophyllide reductase subunit Z Chlorobium phaeobacteroides DSM 266 /1-433 0.89 0.55 bchZ GCA 000020465.1 ASM2046v1 protein ACD89256.1 chlorophyllide reductase subunit Z Chlorobium limicola DSM 245 /1-432

0.81 bchZ GCA 000168715.1 ASM16871v1 protein EAT58238.1 chlorophyllide reductase subunit Z Chlorobium ferrooxidans DSM 13031 /1-433 0.94 bchZ d Bacteria p Bacteroidota c Chlorobia o Chlorobiales f Chlorobiaceae g Chlorobium s Chlorobium ferrooxidans WGS ID MPJE01 1/1-437 0.96 bchZ GCA 000020645.1 ASM2064v1 protein ACF42515.1 chlorophyllide reductase subunit Z Pelodictyon phaeoclathratiforme BU-1 /1-435 0.74 bchZ GCA 000012585.1 ASM1258v1 protein ABB28967.1 Chlorophyllide reductase subunit Z Chlorobium chlorochromatii CaD3 /1-425 bchZ GCA 000015585.1 ASM1558v1 protein ABM62372.1 chlorophyllide reductase subunit Z Halorhodospira halophila SL1 /1-464 bchZ d Bacteria p Proteobacteria c o Chromatiales f Chromatiaceae g Thiorhodovibrio s Thiorhodovibrio sp000228725 WGS ID AFWS01 1/1-454 0.59 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Chromatiales f Chromatiaceae g Thiohalocapsa s Thiohalocapsa sp001469165 WGS ID JABX01 1/1-450

0.87 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Chromatiales f Chromatiaceae g Marichromatium s Marichromatium gracile WGS ID LSYU01 1/1-445 bchZ GCA 000025485.1 ASM2548v1 protein ADC63466.1 chlorophyllide reductase subunit Z Allochromatium vinosum DSM 180 /1-444 0.991.00bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Chromatiales f Chromatiaceae g Allochromatium s Allochromatium warmingii WGS ID FNOW01 1/1-442

0.89 bchZ GCA 000585215.1 Thiorhodococcus sp. protein EXJ13273.1 Chlorophyllide reductase subunit BchZ Imhoffiella purpurea /1-450

0.99 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Chromatiales f Chromatiaceae g Thiorhodococcus s Thiorhodococcus drewsii WGS ID AFWT01 1/1-442 0.89 1.00bchZ GCA 000224065.2 ASM22406v1 protein EGV33086.1 chlorophyllide reductase subunit Z Thiorhodococcus drewsii AZ1 /1-442 0.75 bchZ GCA 000227745.3 ASM22774v3 protein AFL73961.1 chlorophyllide reductase subunit Z Thiocystis violascens DSM 198 /1-444 0.86 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Chromatiales f Chromatiaceae g Thiocapsa s Thiocapsa marina WGS ID AFWV01 1/1-442 1.00bchZ GCA 000223985.2 ASM22398v1 protein EGV19665.1 chlorophyllide reductase subunit Z Thiocapsa marina 5811 /1-442 bchZ GCA 000166055.1 ASM16605v1 protein ADP69502.1 chlorophyllide reductase subunit Z Rhodomicrobium vannielii ATCC 17100 /1-435 1.00 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Rhodomicrobiaceae g Rhodomicrobium s Rhodomicrobium udaipurense WGS ID JFZJ01 1/1-435 0.99 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Azospirillales f Azospirillaceae g Skermanella s Skermanella stibiiresistens WGS ID AVFL01 1/1-447 bchZ GCA 000013085.1 ASM1308v1 protein ABC23773.1 Chlorophyllide reductase subunit Z ATCC 11170 /1-436 0.44 1.00 bchZ GCA 000225955.1 ASM22595v1 protein AEO49513.1 chlorophyllide reductase subunit Z Rhodospirillum rubrum F11 /1-433 0.48 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o f g s WGS ID FNCV01 1/2-443 0.33 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhodospirillales f Rhodospirillaceae g Rhodospira s Rhodospira trueperi WGS ID FNAP01 1/1-433 bchZ GCA 000293785.1 ASM29378v1 protein EJW12812.1 Chlorophyllide reductase subunit BchZ Rhodovulum sp. PH10 /1-435 1.00 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Xanthobacteraceae g Rhodoplanes s Rhodoplanes sp000293785 WGS ID AKZI01 1/1-437

0.62 bchZ GCA 000227725.2 ASM22772v1 protein EGZ46236.1 chlorophyllide reductase subunit Z Thiorhodospira sibirica ATCC 700588 /1-445 1.00 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Ectothiorhodospirales f g Thiorhodospira s Thiorhodospira sibirica WGS ID AGFD01 1/1-436 0.73 bchZ GCA 000225005.2 PHS-1-454 protein EHQ53260.1 chlorophyllide reductase subunit Z Ectothiorhodospira sp. PHS-1 /1-450 0.78 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Ectothiorhodospirales f Ectothiorhodospiraceae g Ectothiorhodosinus s Ectothiorhodosinus mongolicus WGS ID FTPK01 1/2-445 0.941.00 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Ectothiorhodospirales f Ectothiorhodospiraceae g Ectothiorhodospira s Ectothiorhodospira marina WGS ID FOAA01 1/2-453 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Sphingomonadales f Kordiimonadaceae g Q-1 s Q-1 sp000710935 WGS ID BAYV01 1/1-453 0.22 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Rhodomicrobiaceae g R-RK-3 s R-RK-3 sp002198715 WGS ID MWLJ01 1/1-436 0.35 bchZ d Bacteria p Proteobacteria c Gammaproteobacteria o Steroidobacterales f Steroidobacteraceae g UBA964 s UBA964 sp002292945 WGS ID DBCG01 1/2-453 0.65 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Beijerinckiaceae g Methylocella s Methylocella silvestris A WGS ID PDZR01 1/2-455 1.00 bchZ GCA 000021745.1 ASM2174v1 protein ACK50994.1 chlorophyllide reductase subunit Z Methylocella silvestris BL2 /1-452 0.67 bchZ GCA 000019365.1 ASM1936v1 protein ACA18080.1 chlorophyllide reductase subunit Z Methylobacterium sp. 4-46 /1-443 bchZ GCA 000272495.1 ASM27249v1 protein EIZ84119.1 chlorophyllide reductase subunit Z Methylobacterium sp. GXF4 /1-422 0.980.94bchZ GCA 000364445.1 ASM36444v1 protein EMS44278.1 chlorophyllide reductase subunit Z Methylobacterium mesophilicum SR1.6/6 /1-422 0.90bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Beijerinckiaceae g Methylobacterium s Methylobacterium organophilum WGS ID QEKZ01 1/2-433 0.99 bchZ GCA 000019945.1 ASM1994v1 protein ACB81009.1 chlorophyllide reductase subunit Z Methylobacterium populi BJ001 /1-418

0.92bchZ GCA 000243435.2 ASM24343v2 protein EHP89496.1 chlorophyllide reductase subunit Z partial Methylobacterium extorquens DSM 13060 /1-430 0.93 0.99bchZ GCA 000021845.1 ASM2184v1 protein ACK83798.1 chlorophyllide reductase subunit Z Methylobacterium extorquens CM4 /1-422

0.90bchZ GCA 000083545.1 ASM8354v1 protein CAX25141.1 bacteriochlorophyllide reductase subunit Methylobacterium extorquens DM4 /1-421 0.37 0.95bchZ GCA 000018845.1 ASM1884v1 protein ABY31123.1 chlorophyllide reductase subunit Z Methylobacterium extorquens PA1 /1-422 0.51bchZ GCA 000022685.1 ASM2268v1 protein ACS40681.1 bacteriochlorophyllide reductase subunit Methylobacterium extorquens AM1 /1-422 bchZ d Bacteria p Proteobacteria c Alphaproteobacteria o Rhizobiales f Afifellaceae g Afifella s Afifella pfennigii WGS ID JHZK01 1/1-439 0.65 bchZ GCA 000016185.1 ASM1618v1 protein ACI99485.1 chlorophyllide reductase subunit Z Rhodospirillum centenum SW /1-435 0 78