1	.	.	.	.	.	.	.	.	10	.	.	.	.	.	.	.	.	.	20	.	.	.	.	.	.	.	.	.	30	.	.	.	.	.	.	.	.	.	40	.	.	.	.	.	.	.	.	.	50	.	.	.	.	.	.	.	.	.	60
Sequence		M	M	A	T	Y	A	I	V	K	T	G	G	K	Q	Y	K	V	A	V	G	D	V	V	K	V	E	K	L	E	S	E	Q	G	E	K	V	S	L	P	V	A	L	V	V	D	G	A	T	V	T	T	D	A	K	A	L	A	K	V	A
Secondary structure
SS confidence
Disorder		?	?	?	?																														?
Disorder confidence
		.	.	.	.	.	.	.	.	.	70	.	.	.	.	.	.	.	.	.	80	.	.	.	.	.	.	.	.	.	90	.	.	.	.	.	.	.	.	.	100	.	.	.	.
Sequence		V	T	G	E	V	L	G	H	T	K	G	P	K	I	R	I	H	K	F	K	N	K	T	G	Y	H	K	R	Q	G	H	R	Q	Q	L	T	V	L	K	V	T	G	I	A
Secondary structure
SS confidence
Disorder																							?	?		?	?		?																?
Disorder confidence

Confidence Key High(9)                     Low (0)

? Disordered ( 11%) Alpha helix ( 0%) Beta strand ( 64%)

Rank Aligned region

PDB 5o60 chain S Region: 4 - 103 Aligned: 100 Modelled: 100 Confidence: 100.0% Identity: 88% PDB header:ribosome Chain: S: PDB Molecule:50s ribosomal protein l21; PDBTitle: structure of the 50s large ribosomal subunit from mycobacterium2 smegmatis Phyre2 PDB 5mmi chain S Region: 3 - 104 Aligned: 102 Modelled: 101 Confidence: 100.0% Identity: 29% PDB header:ribosome Chain: S: PDB Molecule:50s ribosomal protein l21, chloroplastic; PDBTitle: structure of the large subunit of the chloroplast ribosome Phyre2 PDB 3j3v chain R Region: 5 - 104 Aligned: 100 Modelled: 100 Confidence: 100.0% Identity: 40% PDB header:ribosome Chain: R: PDB Molecule:50s ribosomal protein l21; PDBTitle: atomic model of the immature 50s subunit from bacillus subtilis (state2 i-a) Phyre2 PDB 5mlc chain T Region: 3 - 104 Aligned: 102 Modelled: 102 Confidence: 100.0% Identity: 29% PDB header:ribosome Chain: T: PDB Molecule:50s ribosomal protein l21, chloroplastic; PDBTitle: cryo-em structure of the spinach chloroplast ribosome reveals the2 location of plastid-specific ribosomal proteins and extensions Phyre2 PDB 2qam chain R domain 1 Region: 4 - 104 Aligned: 101 Modelled: 101 Confidence: 100.0% Identity: 36% Fold: L21p-like Superfamily: L21p-like Family: Ribosomal protein L21p Phyre2 PDB 4v19 chain V Region: 3 - 103 Aligned: 101 Modelled: 101 Confidence: 100.0% Identity: 27% PDB header:ribosome Chain: V: PDB Molecule:mitoribosomal protein bl21m, mrpl21; PDBTitle: structure of the large subunit of the mammalian mitoribosome, part 12 of 2 Phyre2 PDB 1vw4 chain N Region: 3 - 104 Aligned: 102 Modelled: 102 Confidence: 100.0% Identity: 20% PDB header:ribosome Chain: N: PDB Molecule:54s ribosomal protein l49, mitochondrial; PDBTitle: structure of the yeast mitochondrial large ribosomal subunit Phyre2 PDB 4ce4 chain V Region: 5 - 103 Aligned: 99 Modelled: 99 Confidence: 100.0% Identity: 27% PDB header:ribosome Chain: V: PDB Molecule:mrpl21; PDBTitle: 39s large subunit of the porcine mitochondrial ribosome Phyre2 PDB 3bbo chain T Region: 5 - 104 Aligned: 100 Modelled: 100 Confidence: 100.0% Identity: 30% PDB header:ribosome Chain: T: PDB Molecule:ribosomal protein l21; PDBTitle: homology model for the spinach chloroplast 50s subunit fitted to 9.4a2 cryo-em map of the 70s chlororibosome Phyre2 PDB 2j01 chain V domain 1 Region: 4 - 103 Aligned: 99 Modelled: 99 Confidence: 100.0% Identity: 46% Fold: L21p-like Superfamily: L21p-like Family: Ribosomal protein L21p Phyre2 PDB 2zjr chain O domain 1 Region: 8 - 103 Aligned: 94 Modelled: 96 Confidence: 100.0% Identity: 46% Fold: L21p-like Superfamily: L21p-like Family: Ribosomal protein L21p Phyre2 PDB 5oo9 chain A Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 64.7% Identity: 10% PDB header:biosynthetic protein Chain: A: PDB Molecule:putative cupin_2 domain-containing isomerase; PDBTitle: streptomyces pac13 (y55f) with uridine Phyre2 PDB 2gu9 chain B Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 54.1% Identity: 14% PDB header:immune system Chain: B: PDB Molecule:tetracenomycin polyketide synthesis protein; PDBTitle: crystal structure of xc5357 from xanthomonas campestris: a2 putative tetracenomycin polyketide synthesis protein3 adopting a novel cupin subfamily structure Phyre2 PDB 3oss chain C Region: 3 - 40 Aligned: 38 Modelled: 38 Confidence: 50.0% Identity: 24% PDB header:protein transport Chain: C: PDB Molecule:type 2 secretion system, gspc; PDBTitle: the crystal structure of enterotoxigenic escherichia coli gspc-gspd2 complex from the type ii secretion system Phyre2 PDB 6nwo chain D Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 48.2% Identity: 29% PDB header:transcription Chain: D: PDB Molecule:transcriptional regulator bgar; PDBTitle: structures of the transcriptional regulator bgar, a lactose sensor. Phyre2 PDB 3ibm chain B Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 46.9% Identity: 19% PDB header:structural genomics, unknown function Chain: B: PDB Molecule:cupin 2, conserved barrel domain protein; PDBTitle: crystal structure of cupin 2 domain-containing protein hhal_0468 from2 halorhodospira halophila Phyre2 PDB 5j4f chain B Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 46.8% Identity: 14% PDB header:unknown function Chain: B: PDB Molecule:uncharacterized protein; PDBTitle: crystal structure of the n-terminally his6-tagged hp0902, an2 uncharacterized protein from helicobacter pylori 26695 Phyre2 PDB 2ivw chain A Region: 3 - 23 Aligned: 21 Modelled: 21 Confidence: 46.7% Identity: 24% PDB header:lipoprotein Chain: A: PDB Molecule:pilp pilot protein; PDBTitle: the solution structure of a domain from the neisseria meningitidis2 pilp pilot protein. Phyre2 PDB 2arc chain A Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 45.8% Identity: 24% Fold: Double-stranded beta-helix Superfamily: Regulatory protein AraC Family: Regulatory protein AraC Phyre2 PDB 4h7l chain B Region: 6 - 26 Aligned: 21 Modelled: 21 Confidence: 44.4% Identity: 14% PDB header:structural genomics, unknown function Chain: B: PDB Molecule:uncharacterized protein; PDBTitle: crystal structure of plim_4148 protein from planctomyces limnophilus Phyre2 1 c5o60S_ 2 c5mmiS_ 3 c3j3vR_ 4 c5mlcT_ 5 d2qamr1 6 c4v19V_ 7 c1vw4N_ 8 c4ce4V_ 9 c3bboT_ 10 d2j01v1 11 d2zjro1 12 c5oo9A_ 13 c2gu9B_ 14 c3ossC_ 15 c6nwoD_ 16 c3ibmB_ 17 c5j4fB_ 18 c2ivwA_ 19 d2arca_ 20 c4h7lB_ 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99