u_prommatches69

Gene list

Wadsworth clusters

Rajewsky clusters


Score

Strand

Gene name

Blattner ID

Description

EcoCyc link

SwissProt comment

7.809211+yicPb3665probable adenine deaminase (synthesis xanthine) EG11692 CATALYTIC ACTIVITY: ADENINE + H(2)O = HYPOXANTHINE + NH(3). SIMILARITY: BELONGS TO THE ADENINE AMINASE FAMILY.
4.048383+yrhBb3446orf, hypothetical protein EG12948
3.954648+agaBb3138PTS system, cytoplasmic, N-acetylgalactosamine-specific IIB component 1 (EIIB-AGA) EG12769 FUNCTION: THIS IS A COMPONENT OF THE PHOSPHOENOLPYRUVATE-DEPENDENT SUGAR PHOSPHOTRANSFERASE SYSTEM (PTS), A MAJOR CARBOHYDRATE ACTIVE -TRANSPORT SYSTEM. THE IICD DOMAINS CONTAIN THE SUGAR BINDING SITE AND THE TRANSMEMBRANE CHANNEL; THE IIA DOMAIN CONTAINS THE PRIMARY PHOSPHORYLATION SITE (THE DONOR IS PHOSPHO-HPR); IIA TRANSFERS ITS PHOSPHORYL GROUP TO THE IIB DOMAIN WHICH FINALLY TRANSFERS IT TO THE SUGAR. CATALYTIC ACTIVITY: PROTEIN N-PHOSPHOHISTIDINE + SUGAR = PROTEIN HISTIDINE + SUGAR PHOSPHATE. SUBCELLULAR LOCATION: CYTOPLASMIC (POTENTIAL). SIMILARITY: CONTAINS A PTS EIIB DOMAIN.
agaCb3139PTS system N-acetylgalactosamine-specific IIC component 1 EG12770 FUNCTION: THIS IS A COMPONENT OF THE PHOSPHOENOLPYRUVATE-DEPENDENT SUGAR PHOSPHOTRANSFERASE SYSTEM (PTS), A MAJOR CARBOHYDRATE ACTIVE -TRANSPORT SYSTEM. THE IICD DOMAINS CONTAIN THE SUGAR BINDING SITE AND THE TRANSMEMBRANE CHANNEL; THE IIA DOMAIN CONTAINS THE PRIMARY PHOSPHORYLATION SITE (THE DONOR IS PHOSPHO-HPR); IIA TRANSFERS ITS PHOSPHORYL GROUP TO THE IIB DOMAIN WHICH FINALLY TRANSFERS IT TO THE SUGAR. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE (POTENTIAL). SIMILARITY: CONTAINS A PTS EIIC DOMAIN.
agaDb3140PTS system, N-acetylglucosamine enzyme IID component 1 EG12771 FUNCTION: THIS IS A COMPONENT OF THE PHOSPHOENOLPYRUVATE-DEPENDENT SUGAR PHOSPHOTRANSFERASE SYSTEM (PTS), A MAJOR CARBOHYDRATE ACTIVE -TRANSPORT SYSTEM. THE IICD DOMAINS CONTAIN THE SUGAR BINDING SITE AND THE TRANSMEMBRANE CHANNEL; THE IIA DOMAIN CONTAINS THE PRIMARY PHOSPHORYLATION SITE (THE DONOR IS PHOSPHO-HPR); IIA TRANSFERS ITS PHOSPHORYL GROUP TO THE IIB DOMAIN WHICH FINALLY TRANSFERS IT TO THE SUGAR. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE (POTENTIAL). SIMILARITY: CONTAINS A PTS EIID DOMAIN.
agaIb3141putative galactosamine-6-phosphate isomerase EG12772 CATALYTIC ACTIVITY: D-GALACTOSAMINE 6-PHOSPHATE + H(2)O = D-TAGATOSE 6-PHOSPHATE + NH(3). PATHWAY: N-ACETYL GALACTOSAMINE UTILIZATION PATHWAY. SIMILARITY: BELONGS TO THE GLUCOSAMINE/GALACTOSAMINE-6-PHOSPHATE ISOMERASE FAMILY.
3.750116+mcrAb1159restriction of DNA at 5-methylcytosine residues; at locus of e14 element EG10573 FUNCTION: RESTRICTION OF 5-METHYL AND 5-HYDROXYMETHYLCYTOSINES AT THE SPECIFIC DNA SEQUENCE C(ME)CGG.
2.894652+gltFb3214regulator of gltBDF operon, induction of Ntr enzymes EG11514 FUNCTION: INVOLVED IN INDUCTION OF THE SO-CALLED NTR ENZYMES IN RESPONSE TO NITROGEN DEPRIVATION, AS WELL AS IN GLUTAMATE BIOSYNTHESIS. MAY MEDIATE THE GLUTAMATE-DEPENDENT REPRESSION OF THE GLT OPERON. SIMILARITY: TO E.COLI YHCF.
2.699919+yjfIb4181orf, hypothetical protein EG12484
yjfJb4182putative alpha helical protein EG12485
yjfKb4183orf, hypothetical protein EG12486
yjfLb4184orf, hypothetical protein EG12487 SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN (POTENTIAL).
yjfMb4185orf, hypothetical protein EG12488
yjfCb4186putative synthetase/amidase EG11812 SIMILARITY: STRONG, TO THE N-TERMINAL OF E.COLI GSP AND TO E.COLI YGIC.
aidBb4187putative acyl coenzyme A dehydrogenase EG11811 INDUCTION: BY ALKYLATING AGENTS. SIMILARITY: BELONGS TO THE ACYL-COA DEHYDROGENASES FAMILY.
2.496998+ybhMb0787orf, hypothetical protein EG13669 SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN (POTENTIAL).
2.208246+ygiXb3025putative 2-component transcriptional regulator EG13026 FUNCTION: PROBABLE MEMBER OF A TWO-COMPONENT REGULATORY SYSTEM YGIX/YGIY. SUBCELLULAR LOCATION: CYTOPLASMIC (POTENTIAL). PTM: PHOSPHORYLATED BY YGIY (POTENTIAL). SIMILARITY: STRONG, TO H.INFLUENZAE HI1708. SIMILARITY: TO OTHER BACTERIAL REGULATORY PROTEINS INVOLVED IN SIGNAL TRANSDUCTION.
ygiYb3026putative 2-component sensor protein EG13027 FUNCTION: PROBABLE MEMBER OF A TWO-COMPONENT REGULATORY SYSTEM YGIX/YGIY. MAY ACTIVATE YGIX BY PHOSPHORYLATION. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE (PROBABLE). SIMILARITY: STRONG, TO H.INFLUENZAE HI1707. SIMILARITY: TO OTHER PROKARYOTIC SENSORY TRANSDUCTION HISTIDINE KINASES.
1.980030-yhfXb3381orf, hypothetical protein EG12919
yhfWb3380putative mutase EG12918 SIMILARITY: BELONGS TO THE PHOSPHOPENTOMUTASE FAMILY.
yhfVb3379putative hydrolase EG12917 FUNCTION: ITS REAL ENZYMATIC ACTIVITY IS NOT YET KNOWN. IT WAS TESTED FOR GENERAL ESTERASE, AMINOPEPTIDASE, SULFATASE, PHOSPHATASE, CARBONIC ANHYDRASE, PHOSPHODIESTERASE, AND PHOSPHOTRIESTERASE ACTIVITIES WITH THE FOLLOWING SUBSTRATES: P- NITROPHENYL ACETATE, L-ALANINE NITROANILIDE, P-NITROPHENYL SULFATE, BIS(P-NITROPHENYL) PHOSPHATE, PARAOXON, AND P-NITROPHENYL PHOSPHATE. NO ENZYMATIC ACTIVITY WAS DETECTED WITH ANY OF THESE NONSPECIFIC SUBSTRATES. COFACTOR: CONTAINS 2 MOLES OF ZINC PER SUBUNIT. SUBUNIT: MONOMER. SIMILARITY: BELONGS TO THE PHOSPHOTRIESTERASE FAMILY.
yhfUb3378orf, hypothetical protein EG12916
yhfTb3377putative transport system permease protein EG12915 SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN (POTENTIAL).
yhfSb3376orf, hypothetical protein EG12914
1.919135-htrLb3618involved in lipopolysaccharide biosynthesis EG11188 FUNCTION: INVOLVED IN LIPOPOLYSACCHARIDE BIOSYNTHESIS.
1.906384-yqeFb2844putative acyltransferase EG13097 CATALYTIC ACTIVITY: 2 ACETYL-COA = COA + ACETOACETYL-COA. SUBCELLULAR LOCATION: CYTOPLASMIC (POTENTIAL). SIMILARITY: BELONGS TO THE THIOLASE FAMILY.
1.888613+yhcNb3238orf, hypothetical protein EG12820 SIMILARITY: BELONGS TO THE YAHO/YBIJ/YBIM/YCFR/YHCN FAMILY.
1.870898+yehRb2123orf, hypothetical protein EG12004 SUBCELLULAR LOCATION: ATTACHED TO THE MEMBRANE BY A LIPID ANCHOR (POTENTIAL). SIMILARITY: STRONG TO AN ORF FROM L.MONOCYTOGENES (AC P33385).
1.854081+ydiEb1705orf, hypothetical protein EG12391 SIMILARITY: TO Y.ENTEROCOLITICA HEMP.
1.724420+pldAb3821outer membrane phospholipase A EG10738 FUNCTION: HYDROLYSIS OF PHOSPHATIDYLCHOLINE WITH PHOSPHOLIPASE A2 (EC 3.1.1.4) AND PHOSPHOLIPASE A1 (EC 3.1.1.32) ACTIVITIES. REQUIRED FOR EFFICIENT SECRETION OF BACTERIOCINS, SEEMS TO BE DORMANT IN NORMAL GROWING CELLS. CATALYTIC ACTIVITY: PHOSPHATIDYLCHOLINE + H(2)O = 1-ACYLGLYCERO- PHOSPHOCHOLINE + A FATTY ACID ANION. CATALYTIC ACTIVITY: PHOSPHATIDYLCHOLINE + H(2)O = 2-ACYLGLYCERO- PHOSPHOCHOLINE + A FATTY ACID ANION. COFACTOR: REQUIRES CALCIUM IONS FOR ACTIVITY. SUBCELLULAR LOCATION: OUTER MEMBRANE; ONE OF THE VERY FEW ENZYMES LOCATED THERE. INDUCTION: BY MEMBRANE DAMAGING, FOR EXAMPLE, BY PHAGE-INDUCED LYSIS OR TEMPERATURE SHOCK.
recQb3822ATP-dependent DNA helicase EG10833 FUNCTION: INVOLVED IN THE RECF RECOMBINATION PATHWAY; ITS GENE EXPRESSION IS UNDER THE REGULATION OF THE SOS SYSTEM. IT IS A DNA HELICASE. SIMILARITY: BELONGS TO THE RECQ SUBFAMILY OF HELICASES.
1.635020+tgtb0406tRNA-guanine transglycosylase EG10996 FUNCTION: EXCHANGES THE GUANINE RESIDUE WITH 7-AMINOMETHYL-7- DEAZAGUANINE IN TRNAS WITH GU(N) ANTICODONS (TRNA-ASP, -ASN, -HIS AND -TYR). AFTER THIS EXCHANGE, A CYCLOPENTENDIOL MOIETY IS ATTACHED TO THE 7-AMINOMETHYL GROUP OF 7-DEAZAGUANINE, RESULTING IN THE HYPERMODIFIED NUCLEOSIDE QUEUOSINE (Q) (7-(((4,5-CIS- DIHYDROXY-2-CYCLOPENTEN-1-Y1)AMINO)METHYL)-7-DEAZAGUANOSINE). CATALYTIC ACTIVITY: TRNA GUANINE + QUEUINE = TRNA QUEUINE + GUANINE. COFACTOR: BINDS AND REQUIRES ZINC FOR ACTIVITY. ALSO REQUIRES MAGNESIUM. SUBUNIT: HOMOTRIMER OR HOMODIMER. SIMILARITY: BELONGS TO THE QUEUINE TRNA-RIBOSYLTRANSFERASE FAMILY.
yajCb0407orf, hypothetical protein EG11096 SIMILARITY: BELONGS TO THE UPF0092 FAMILY. STRONG, TO H.INFLUENZAE HI0241.
secDb0408protein secretion; membrane protein, part of the channel EG10938 FUNCTION: INVOLVED IN PROTEIN EXPORT. SUBUNIT: PART OF THE PROKARYOTIC PROTEIN TRANSLOCATION APPARATUS WHICH COMPRISE SECA, SECB, SECD, SECE, SECF, SECG AND SECY. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE. SIMILARITY: BELONGS TO THE SECD/SECF FAMILY. SECD FAMILY.
secFb0409protein secretion, membrane protein EG10940 FUNCTION: INVOLVED IN PROTEIN EXPORT. SUBUNIT: PART OF THE PROKARYOTIC PROTEIN TRANSLOCATION APPARATUS WHICH COMPRISE SECA, SECB, SECD, SECE, SECF, SECG AND SECY. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE. SIMILARITY: BELONGS TO THE SECD/SECF FAMILY. SECF FAMILY.
yajDb0410orf, hypothetical protein EG11097
1.507075-ybdSb0612putative a membrane protein EG13538 FUNCTION: RESPONSIBLE FOR THE UPTAKE OF CITRATE IN EXCHANGE TO THE EFFLUX OF SUCCINATE. HAS A RELATIVELY BROAD SPECIFICITY FOR C(4)- DICARBOXYLATES AND TRICARBOXYLATES. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE. SIMILARITY: BELONGS TO THE NADC/P/PHO87 FAMILY OF TRANSPORTERS. SODIT1 SUBFAMILY.
rnab0611RNase I, cleaves phosphodiester bond between any two nucleotides EG10856 FUNCTION: ONE OF THE FEW RNASES THAT CLEAVES THE PHOSPHODIESTER BOND BETWEEN ANY TWO NUCLEOTIDE. SHOWS A PREFERENCE FOR CYTIDYLIC OR GUANYLIC ACID. CATALYTIC ACTIVITY: ENDONUCLEOLYTIC CLEAVAGE TO 3'- PHOSPHOMONONUCLEOTIDES AND 3'-PHOSPHOOLIGONUCLEOTIDES WITH 2',3'-CYCLIC PHOSPHATE INTERMEDIATES. SUBUNIT: MONOMER. SUBCELLULAR LOCATION: PERIPLASMIC AND CYTOPLASMIC. RNASE I (PERIPLASMIC) AND RNASE I* (CYTOPLASMIC) APPEAR TO BE ISOFORMS APPARENTLY ENCODED BY THE SAME GENE. THE CYTOPLASMIC FORM IS LESS ACTIVE TOWARDS NATURAL POLYMER RNA. PTM: FOUR DISULFIDE BONDS ARE PRESENT (BY SIMILARITY). SIMILARITY: BELONGS TO THE RNASE T2 FAMILY.
1.494896+b1971b1971putative reductase
b1972b1972orf, hypothetical protein
1.468537-b1551b1551orf, hypothetical protein EG14388
1.433576+b1995b1995orf, hypothetical protein
1.413260+yiiGb3896orf, hypothetical protein EG11860
1.371819+b2651b2651orf, hypothetical protein
1.366871-yjfZb4204orf, hypothetical protein EG12500 SIMILARITY: TO E.COLI YJIC.
1.331637+b1966b1966putative outer membrane protein
1.320009-yhbLb3209sigma cross-reacting protein 27A (SCRP-27A) EG11383 FUNCTION: MAY BE INVOLVED IN THE EARLY STEPS OF ISOPRENOID BIOSYNTHESIS. SIMILARITY: BELONGS TO THE ES1 FAMILY.
mtgAb3208putative peptidoglycan enzyme EG12808 FUNCTION: CELL WALL FORMATION. PATHWAY: FINAL STAGES IN PEPTIDOGLYCAN SYNTHESIS. SUBCELLULAR LOCATION: MEMBRANE-ASSOCIATED (POTENTIAL). SIMILARITY: TO THE N-TERMINAL OF BACTERIAL CLASS 1A PENICILLIN- BINDING PROTEINS. CAUTION: REF.2 SEQUENCE DIFFERS FROM THAT SHOWN IN POSITION 38-39 DUE TO A FRAMESHIFT.
1.316207+xylRb3569putative regulator of xyl operon EG20253 FUNCTION: REGULATORY PROTEIN FOR THE XYLBAFGHR OPERON. SIMILARITY: BELONGS TO THE ARAC/XYLS FAMILY OF TRANSCRIPTIONAL REGULATORS.
1.303781+b2854b2854orf, hypothetical protein
1.256118+yraIb3143putative chaperone EG12774 FUNCTION: COULD BE REQUIRED FOR THE BIOGENESIS OF THE PUTATIVE YRAH FIMBRIA. SUBCELLULAR LOCATION: PERIPLASMIC (BY SIMILARITY). SIMILARITY: BELONGS TO THE PERIPLASMIC PILUS CHAPERONE FAMILY. SIMILARITY: CONTAINS 1 IMMUNOGLOBULIN-LIKE DOMAIN.
yraJb3144putative outer membrane protein EG12775 FUNCTION: COULD BE INVOLVED IN THE EXPORT AND ASSEMBLY OF THE PUTATIVE YRAH FIMBRIAL SUBUNIT ACROSS THE OUTER MEMBRANE. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. OUTER MEMBRANE (BY SIMILARITY). SIMILARITY: BELONGS TO THE FIMBRIAL EXPORT USHER FAMILY.
yraKb3145putative fimbrial protein EG12776 SIMILARITY: BELONGS TO THE FIMH FAMILY.
1.241794+b0959b0959orf, hypothetical protein EG13720 SIMILARITY: TO H.INFLUENZAE DNA TRANSFORMATION PROTEIN TFOX.
1.234329+tauAb0365taurine transport system periplasmic protein EG13300 FUNCTION: PART OF A BINDING-PROTEIN-DEPENDENT TRANSPORT SYSTEM FOR TAURINE. SUBCELLULAR LOCATION: PERIPLASMIC (POTENTIAL). SIMILARITY: TO SYNECHOCYSTIS PCC 6803 SLL0473.
tauBb0366taurine ATP-binding component of a transport system EG13299 FUNCTION: PART OF A BINDING-PROTEIN-DEPENDENT TRANSPORT SYSTEM FOR TAURINE. PROBABLY RESPONSIBLE FOR ENERGY COUPLING TO THE TRANSPORT SYSTEM. SUBCELLULAR LOCATION: INNER MEMBRANE-ASSOCIATED (POTENTIAL). SIMILARITY: BELONGS TO THE ATP-BINDING TRANSPORT PROTEIN FAMILY (ABC TRANSPORTERS).
tauCb0367taurine transport system permease protein EG13301 FUNCTION: PART OF A BINDING-PROTEIN-DEPENDENT TRANSPORT SYSTEM FOR TAURINE. PROBABLY RESPONSIBLE FOR THE TRANSLOCATION OF THE SUBSTRATE ACROSS THE MEMBRANE. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE (POTENTIAL). SIMILARITY: WITH INTEGRAL MEMBRANE COMPONENTS OF OTHER BINDING- PROTEIN-DEPENDENT TRANSPORT SYSTEMS. BELONGS TO THE CYSTW SUBFAMILY.
tauDb0368taurine dioxygenase, 2-oxoglutarate-dependent EG12423 FUNCTION: CONVERTS TAURINE AND ALPHA KETOGLUTARATE TO SULFITE, AMINOACETALDEHYDE AND SUCCINATE. REQUIRED FOR THE UTILIZATION OF TAURINE (2-AMINOETHANESULFONIC ACID) AS A SULFUR SOURCE. OPTIMAL PH FOR ACTIVITY IS 6.9. PENTANE-SULFONIC ACID, 3-(N- MORPHOLINO)PROPANESULFONIC ACID AND 1,3-DIOXO-2- ISOINDOLINEETHANESULFONIC ACID ARE ALSO SUBSTRATES FOR THIS ENZYME. CATALYTIC ACTIVITY: TAURINE + 2-OXOGLUTARATE + O(2) = SULFITE + AMINOACETALDEHYDE + SUCCINATE + CO(2). COFACTOR: IRON AND ASCORBATE. ENZYME REGULATION: DIVALENT METAL IONS INHIBITED. PATHWAY: CATABOLISM OF TAURINE. SUBUNIT: HOMODIMER. INDUCTION: UNDER SULFUR STARVATION. SIMILARITY: BELONGS TO THE TFDA FAMILY OF DIOXYGENASES. CAUTION: REF.4 SEQUENCE DIFFERS FROM THAT SHOWN DUE TO FRAMESHIFTS.
1.224626+hemGb3850protoporphyrin oxidase EG11485 FUNCTION: CATALYZES THE 6-ELECTRON OXIDATION OF PROTOPORPHYRINOGEN IX TO FORM PROTOPORPHYRIN IX. DOES NOT USE OXYGEN DIRECTLY. IS COUPLED TO THE RESPIRATORY CHAIN. CATALYTIC ACTIVITY: PROTOPORPHYRINOGEN-IX + O(2) = PROTOPORPHYRIN- IX + H(2)O(2). PATHWAY: PENULTIMATE STEP IN PORPHYRIN BIOSYNTHESIS. SUBUNIT: BELONGS TO A MULTI-PROTEIN COMPLEX. SIMILARITY: HAS NO SIMILARITY WITH OXYGEN-DEPENDENT PPO. CAUTION: REF.2 SEQUENCE DIFFERS FROM THAT SHOWN DUE TO FRAMESHIFTS.
1.222904+b1689b1689orf, hypothetical protein EG13971
b1690b1690putative transport system permease protein EG13972 SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE (PROBABLE). SIMILARITY: BELONGS TO THE MAJOR FACILITATOR FAMILY (ALSO KNOWN AS THE DRUG RESISTANCE TRANSLOCASE FAMILY). STRONG, TO YDIN.
1.172110+mscLb3291mechanosensitive channel EG11180 FUNCTION: CHANNEL THAT OPENS IN RESPONSE TO STRETCH FORCES IN THE MEMBRANE LIPID BILAYER. MAY PARTICIPATE IN THE REGULATION OF OSMOTIC PRESSURE CHANGES WITHIN THE CELL. FORMS A NONSELECTIVE ION CHANNEL OF 2.5 NS CONDUCTANCE. SUBUNIT: HOMOPENTAMER. SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. INNER MEMBRANE. SIMILARITY: BELONGS TO THE MSCL FAMILY.
1.106791-yigIb3820orf, hypothetical protein EG11467
rarDb3819orf, hypothetical protein EG11466 SIMILARITY: WEAK, TO H.INFLUENZAE HI0223 AND HI0680.
yigGb3818orf, hypothetical protein EG11465
yigFb3817orf, hypothetical protein EG11464
1.104311-yheAb3337orf, hypothetical protein EG11181 FUNCTION: SEEMS TO ASSOCIATE WITH BFR; COULD BE A GENERAL REDOX AND/OR REGULATORY COMPONENT PARTICIPATING IN THE IRON STORAGE MOBILIZATION FUNCTIONS OF BFR. COULD PARTICIPATE IN THE RELEASE OR THE DELIVERY OF IRON FROM/TO BACTERIOFERRITIN (OR OTHER IRON COMPLEXES). COFACTOR: BINDS A 2FE-2S CLUSTER. SUBUNIT: MONOMER.
bfrb3336bacterioferrin, an iron storage homoprotein EG10113 FUNCTION: MAY PERFORM ANALOGOUS FUNCTIONS IN IRON DETOXIFICATION AND STORAGE AS THAT OF ANIMAL FERRITINS. SUBUNIT: OLIGOMER OF 24 IDENTICAL SUBUNITS. MISCELLANEOUS: BACTERIOFERRITIN CONTAINS PROTOHEME IX IN ADDITION TO THEIR NON-HAEM IRON CORE. SIMILARITY: BELONGS TO THE BACTERIOFERRITIN FAMILY.