Protein Info for CCNA_03686 in Caulobacter crescentus NA1000 Δfur

Annotation: alpha2 macroglobulin domain-containing extracellular protein

These analyses and tools can help you predict a protein's function, but be skeptical. For enzymes, over 10% of annotations from KEGG or SEED are probably incorrect. For other types of proteins, the error rates may be much higher. MetaCyc and Swiss-Prot have low error rates, but the best hits in these databases are often quite distant, so this protein's function may not be the same. TIGRFam has low error rates. Finally, many experimentally-characterized proteins are not in any of these databases. To find relevant papers, use PaperBLAST.

Protein Families and Features

1 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1686 transmembrane" amino acids 43 to 61 (19 residues), see Phobius details PF21142: A2M_bMG2" amino acids 203 to 308 (106 residues), 26.6 bits, see alignment 2.1e-09 PF11974: bMG3" amino acids 336 to 437 (102 residues), 94.2 bits, see alignment 1.7e-30 PF01835: MG2" amino acids 451 to 546 (96 residues), 80.1 bits, see alignment 5.2e-26 PF17972: bMG5" amino acids 553 to 679 (127 residues), 91.3 bits, see alignment 2.7e-29 PF17962: bMG6" amino acids 686 to 793 (108 residues), 81.7 bits, see alignment 1.7e-26 PF07703: A2M_BRD" amino acids 807 to 950 (144 residues), 54.7 bits, see alignment E=5.8e-18 PF00207: A2M" amino acids 1011 to 1091 (81 residues), 33.1 bits, see alignment 1.6e-11 PF17973: bMG10" amino acids 1543 to 1669 (127 residues), 75.3 bits, see alignment 2.1e-24

Best Hits

KEGG orthology group: K06894, (no description) (inferred from 100% identity to ccs:CCNA_03686)

Predicted SEED Role

"FIG00483510: hypothetical protein"

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Compare to protein structures

Predict protein localization: PSORTb (Gram-negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the current SEED with FIGfam search

Find homologs in fast.genomics or the ENIGMA genome browser

See A0A0H3CDR9 at UniProt or InterPro

Protein Sequence (1686 amino acids)

>CCNA_03686 alpha2 macroglobulin domain-containing extracellular protein (Caulobacter crescentus NA1000 Δfur)
MTMSTDETPPEGGRDFRAALKARWDTARDTVAKRWPDALKGPVALALAGALVVGFGGGFA
VGKGGHFFGGGKPAGAESVKGEAWSLFGKPRSANAPRRGIPKPEDFAVWQTRVDSSGPDP
LACIRMSRDLDPSKAYADFVLVSPDLGRQPSVRVKGDELCLGGIGFTDHRITLLKGLPAK
GGETLGANADVDFTFGEKPPYVGFAGDGVILPREESDGVAIETINVQALAIEVWRVPDRN
LVRKSISAPEPTGEGDWAGDYGEDSVGDDGRQVWKGTVQVNGGATGQKATTVFPLGAVLK
DMKAGAFVIKARDASGGREAEDGDNNPAQARRWIVFTDMAMLAYDGSESLDVVVRSLKSA
KTMSGVRVALVAADGESLAEAQSDADGRVRFLRPLLKGQGAERAKMVMAYGAQGDLAVLD
LDRSPVDLSKQGVGGRTEGGVEGRSVAADIDGYLYADRGIYRPGETVHLTAMIRDRMAKA
VNDRKGEIIVKRPSGVEFRRYQFSQANAGVALADIALPRSAPRGRWTAELRIEGIEEATG
SLSFSVEDFAPQRLAVTATGQESMPMGAGDTRKVDISARFLYGAPGAGLQTQGEARLRAD
TDPFPAFKGFEWGDQGKPFEEKYLDLGATVTDGEGRAILSVGTGEVGDTAQPLVASVTAS
VFEPGGRPVREGLELKVRPKAVYYGVKVEQGEAGQGDPPVSLDLIAVNAAGQRIGATATY
TLVAERWDYDWFQQNGRWQWRRSSRDAIVAKAQVNIGAGQPAKINRRLGWGDYRLEVEGA
DGARTVTRFSAGWGAPAREGEAPDVVRVTAGTKTYAQGDTVEITLKPPYAGEAQIAVATD
RLIDLKTVSVGENGTTVRLKTSAAWGGGAYVMVSVIQPRDPVASPKPRRALGLVYVPIDP
KGRKLTVDLGTPSKIDSKAPVEIPVKVSGMGLGQKARITIAAVDEGILRLTHQESPDPVK
WYFGKRALTLNYRDDYGRLLDPNMGAPANVNFGGDEIGGEGLTTTPIKTVALWSGVVETG
FDGKAVVKLPAADFNGELRIQAVAWTDTAVGSASKPLTVRQPVVADLNLPRFLAPGDQAY
ATLELHNVEGKPGAYTAEAFSVGGLKVAFKKVFQLILGQRVAEKIPFLAPDVTGVGKIGF
KVAGPGFATQKDYPIQTRLGWGDIVRTTTEPQKPGEAFTPSYPLLAGLAAGDVTMQVSYS
PIRGFDPSAIAVALQRYPYGCTEQLVSAAYPLLYAQTFSNDPKLKRTPAALAGAVGKLLD
RQTLDGAFGLWRVGDGEADPWLGAYVVDFLLEAKAQGVAVPDAAIDKAVNAMRQVSRPDG
WASVAYRMEYPGWWASNEDASKEATERMRRRASAYALYVMAKAGKGDLARLRWWHDVQMK
DEDQPIAKAYVAAGLARMGDNARARSAMRQAVGSLGYRDEMDWYQSTLRDTAVLTALAAE
SGMMDVARQMQGRLENSVKDPDALNTQEQAALLHAANALIKASGPISIQATGANPLPPAG
GAPRWAVGKLADARFVNTGKGVLWRTVSVRGTPVSAPPATASGLSVGKRLLSMGGAAIDP
ATIRQGDRIIVLVSGRSMQERSVALVVDDALPAGFEIETTLGADDAQNGPFKFLGELTAA
DVQESRDDRFIAALDLEGNKPFALAYVARAVTPGSFFLPGAVAKDMYRPAIVARSDASRA
TIAPGQ